(a) Given that X∼N(18,22) Find, (i) P(X<25) Answer:Round your answer to 4 decimal places.Your answer is incorrect   (ii) P(X<12) Answer:Round your answer to 4 decimal places.Your answer is incorrect   (iii) P(X<12.4) Answer:Round your answer to 4 decimal places.Your answer is incorrect   (b) Given that X∼N(6,52). Find, (i) P(X>6.2) Answer:Round your answer to 4 decimal places.Your answer is correct   (ii) P(X>2.2) Answer:Round your answer to 4 decimal places.Your answer is incorrect   (iii) P(X>8.9) Answer:Round your answer to 4 decimal places.Your answer is incorrect   (iv) P(X>2) Answer:Round your answer to 4 decimal places.Your answer is incorrect

Q: Here is a data set (n = 117) that has been sorted. 25.2 35.2 37.2 39.1 44 44.2 44.5 45.7 45.9 47.4…

A: From the provided information,Number of observations (n) = 117

Q: Problem 4. Again we will using the population of multicolored candles of 20 individuals. a) Take a…

A: The objective of the question is to calculate the mean of a sample of 12 candles from a population…

Q: what is the mean and standard distribution of population distribution when 1. 2 unfair dice is…

A: Given probabilities:When a single die is rolled, thenFor odd numbers:For even numbers:

Q: P= 2,754 0.55D, 2.52C; +252G; +576PE; + 1,750Fi (0.12) (1.1) (135) (200) (450) P₁ = Annual employee…

A: The provided information is as follows:The regression equation is given as .

Q: A study of the effect of television commercials on 12-year-old children measured their attention…

A: The question related to one-way Anova.Data on television commercials (in seconds) for clothes, food,…

Q: all cyclist who competed in a race were given a drug test of the 16 who tested positive, 2 finished…

A: Given information is, cyclists tested positive, and of those that finished at the top cyclists…

Q: Find the 74th percentile, 5 7 16 28 32 33 46 47 48 57 65 72 76 79 82 89 91 P74 18 27 39 44 62 81 fr

A: Given data,5,7,16,18,27,28,32,33,39,44,46,47,48,57,62,65,72,76,79,81,82,89,91,93already in ascending…

Q: Bus left on time Bus left late Bus Stop #1 12 25 TOTAL If one bus is randomly chosen: Bus Stop #2 24…

A: Bus Stop #1Bus Stop #2Bus Stop #3 Bus Stop #4Bus left on time12241821Bus left late25131916

Q: Supply the missing quantities. Outcome P(An C) = P(An D) = P(Bn C) = P(B n D) = 0.9 Figure A B 0.1…

A: The provided tree-diagram:This diagram has  stages, each having  nodes.In stage ,The branch from the…

Q: The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places…

A: According to the given information,Population mean, μ = 0.5Population standard deviation, σ = 0.7Let…

Q: In testing the hypotheses Ho: B1 = 0 vs. Ha: B1 #0 with alpha = 0.05, the calculated value of our…

A: Given , Hypotheses are : Significance level , 0.05Test statistic , T = 3.45Critical value , t0.025 =…

Q: 2. The porosity CDF for your reservoir is defined by the following piecewise function Fx(x) = 4x²…

A:

Q: Consider the following data: Month Profit ($) Monthly Profit of a Gym Jan-12 Feb-12 Mar-12 Apr-12…

A: Given that,MonthProfit…

Q: Consider a Poisson process N(t) with rate λ = 40. (a) Calculate P(N(1) < N(3) < N(5)) (b) Find…

A: a) P(N(1) &lt; N(3) &lt; N(5))Recall that in a Poisson process, the number of events in disjoint…

Q: Please do a Q-test and calculate the average based on the given data. 242 104 197 92 257

A: Consider the given data in ascending order,92,104,197,242,257

Q: If a research study in biomedical field found a moderate negative and statistically significant…

A: The correlation helps in understanding the relationship between the 2 variables.

Q: Quiz chapter 16 & 17 80 F3 2. To estimate how often someone runs a red light in Cyber City, a…

A: The objective of this question is to identify the parameter, calculate the sample proportion, check…

Q: Select all of the following statements that are true regarding sampling distributions. Select one or…

A: The statements about sampling distributions are given.Want to comment on which of them is true.

Q: This exercise contains only parts a and b. a) For the given data, the x = 54.856 hours (round your…

A: The total number of samples taken is .Sample size is n=5The sample data on 5 9 volt batteries is…

Q: In a sample of people, the mean height was  65.2  inches and the heights range from  56  to  70…

A: It is assumed that  denote the height of the person.The random variable X is given as normally…

Q: 64% of us adults oppose hydraulic fracking as a means of increasing the production of natural gas…

A: Given,64% of US adults oppose hydraulic fracking as a means of increasing the production of natural…

Q: A factory hiring people for tasks on its assembly line gives applicants a test of manual dexterity.…

A: The confidence interval gives a range of interval in which the population parameter lies with…

Q: Automobile repair costs continue to rise with the average cost now at $367 per repair. Assume that…

A: Given , $367$88Cost automobile repair is normally distributed.We have to find the Probabilities.

Q: Following are age and price data for 8 ran denotes age, in years, and y denotes price X y 6 280 1…

A:

Q: You are interested in the relationship between firm revenues and CEO age in Vietnam. The population…

A: The question is about regression.Given :t value of "ceoage" ( t ) = 0.41p value of "ceoage"  = 0.681

Q: Use the Normal model N(100,20) for the IQs of sample participants. a) What IQ represents the 15th…

A: The objective of this question is to find the IQs that represent the 15th and 96th percentiles and…

Q: A thief steals an ATM card and must randomly guess the correct four-digit pin code from a 7-key…

A: The question is about counting theory.Given :Total no. of keys on a keypad = 7ATM have 4 digit pin…

Q: You want to estimate the average size of the shoes of kids going to your bowling alley so you can…

A: From the provided information,The data values are as follow:2, 3, 4, 5, 6, 6, 7, 7The mean is 5.

Q: Usually Do Not Help Consider a chance experiment that consists of randomly selecting one of the 1077…

A: The data is given on whether conventional medications help or not and use complementary therapies or…

Q: A B 1 RESERVATION TIME in MINUTES 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Day 1 2 3 4 5 6 7…

A: The given data is given as follows:Daysample…

Q: Let (Xn)nzo be a Markov chain with discrete state space S. For each of the following statements…

A: (a) False: This statement is not always true. Even if Pji = 0 for all j ∈ S, i can still be…

Q: Use this quadratic model above to answer this question. Predict the residential retail sale of…

A: Year(x) : { 2000,2003,2006,2009,2012,2015 } Residential (Y) : { 1192,1276,1400,1420,1402,1390 } Here…

Q: The budgeting process for a midwestern college resulted in expense forecasts for the coming year (in…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: (c) Predict the value of y for x = 140. Choose the correct answer below. OA. 466.116 OB. 391.686 OC.…

A: Here the dependent variable (y) is Sodium.The independent variable (x) is calories.Given that,Sample…

Q: 6) Which of the following statements is true? (A) It is helpful to examine your data before deciding…

A: The given information states that,Some statements regarding the hypothesis testing concept are…

Q: 3. Suppose it is known from large amounts of historical data that X, the number of cars that arrive…

A: 3) Given,X = number of cars that arrive at a specific intersection during a 20-second time…

Q: What is Business Statistics?

A: The provided information is as follows:The objective of the given question is to explain the term…

Q: A rat is put into compartment 3 of a maze and moves through the compartments at random. The…

A: Given that a rat is put into compartment 3 of a maze and moves through the compartments at random as

Q: Find the following frequency distribution: Age at the First Car Purchase (in Years). Class 16 - 19…

A: ClassFrequency16-191220-23824-271528-311232-359

Q: When we think about the carbon cycle and human activities, it is important to differentiate between…

A: The correct options with regard to given statement are : B,C and DB) In the past, atmospheric CO2…

Q: question 8   a recent  survey releved that 54% of 18 to 34 year old , 33% of 35 to 54 year old  and…

A: Here tlhe given information is , A recent survey releved that 54% of 18 to 34 year old , 33% of 35…

Q: (ii) Find P(SIA). (iii) Find P(SIB). (iv) Which treatment appears to be better? Treatment A

A: The data is given on the treatments and whether that particular individual survived or not.Given…

Q: 2. The random variable x has the following continuous probability distribution in the range 0 ≤ x ≤…

A: Given that the random variable x has continuous probability distribution in the range  as

Q: Each flat tire that is brought into a tire shop is either fixed or replaced. The table below lists…

A: The data on the number of tires that were brought into Hollie's tire shop last month and where the…

Q: a. 100 m dash times (n = 6 top runners): b. Number of children (n = 13 families): c. Number of cars…

A: Given that :a) 100 m dash time (n= 6 top runners):9.87,9.98,10.02,10.15,10.36,10.36b) Number of…

Q: × 10:45 www.myopenmath.com L 0/1 pt 1099 Details Fill in the blanks. In a normal distribution,…

A: The question is asking for the percentage of data points that fall above and below the mean in a…

Q: You may need to use the appropriate appendix table or technology to answer this question. The…

A: The sample data set is from a normal population and is given as follows:1191316141276

Q: An increasing number of people are giving gift certificates as Christmas presents. To measure the…

A: The total number of responses, The number of people who responded they had received a gift…

Q: 3. Suppose it is known from large amounts of historical data that X, the number of cars that arrive…

A: 3) Given,X = the number of cars that arrive at a specific intersection during a 20-second time…