4. f(2) = 2.f(4) = 18

Q: It T is an unbiased estimator for 0, show that T² is a biased estimator for 8.

A: Given  E(T)=θ  Prove that E(T2)≠ θ2  Definition: (1) T is unbaised estimator θ iff E(T)=θ  (2) T is…

Q: What will be the estimate for 9.1 if we use L(x)?

A:

Q: |The City Council proposed to utilize government-owned land with an area of 9,600 square meters.…

A: Given: 20 tents are built. The average number of COVID cases per tent = 5 The average number of…

Q: Mr. Mohammed is interested to buy the new Samsung mobile phone. Extra Electronics  sells Samsung…

A:

Q: If 10 is subtracted from every item in a data than the coefficient of variation of the resulting set…

A:

Q: a. The percentage of bone density scores that are significantly high is 2.28 %. (Round to two…

A: Mean = 0 s = 1

Q: A small-town bakery has shelf space for five pieces of a peris bread is PhP 82 and it can be sold by…

A: Find expected profit for the given problem

Q: uity?

A: We will find the functional value at x=2.

Q: A student added 3/4 and 1/2 and obtained 4/6 as an answer. How would you use estimation to show the…

A: Now, the student added 34with 12 to obtain 46 as the answer. We know that, 34+12=1×3+2×14=3+24=54…

Q: Larry is a 62% free-throw shooter, that is to say that anytime Larry attempts a free-throw, there is…

A: Given data, p=62% =0.62 n=70   Mean=?

Q: Finel avea between

A:

Q: Assume that human body temperatures are normally distributed with a. A hospital uses 100.6"F as the…

A: Solution: Let X be the human body temperatures are normally distributed with mean 98.23 F and…

Q: [D] If y = 3x – 6x2, find the percentage error in y at x = 1 if error in x is 0.05.

A:

Q: (d) Between which two successive years did DVD player sales increase most quickly? to Between which…

A: Consider the table which shows the DVD players sold in the years 2003-2013. Find between which two…

Q: For the following data (0, 22), (15, 24), (18, 37), (22, 25), (24, 123) what three data points of x…

A:

Q: Is there a relationship between the number of hours per week a high school student spends on…

A: Note: Thank you for the question. It is our understanding that the conclusion has to be drawn based…

Q: b. Find an estimate of p2, the true proportion of less-experienced bidders who fall prey to the P2…

A: The number of less experienced bidders (n2) is 138.

Q: The average working hours per month of the staff aged over 50 years in a factory were 160 and that…

A:

Q: An insurance company wants to know if the average speed at which men drive cars is higher than that…

A: Confounding variable has a strong influence in causal relationship.

Q: What is wrong if you conduct a study and you calculated r=-3.0,then what?

A: If we conduct a study and got the correlation coefficient value (r) = -3.0

Q: 2. Approximate √64.1 by using linearization and use a calculator to compute the percentage error.

A:

Q: The number of patrol officers needed on staff depends on the crime rate of the county, which is…

A: At a 3% crime rate, the county hires 200 officers per 10,000 peple in the population.For every 0.1%…

Q: What do you have to set x equal to get the forward difference?

A:

Q: We want to know if the average time to give birth for a first time mom is different than for a woman…

A: Here we have to check whether given statement is true or false. Regarding the given hypothesis.

Q: It is thought that basketball teams that make too many fouls in a game tend to lose the game even if…

A:

Q: how would i find the point estimate for q?

A: The point estimate for p is,

Q: Two horses A and B were tested according to the time (in seconds) to run a particulat track with the…

A:

Q: 22. Differentiate. y = asinh x

A: Given,  y=xsinh x

Q: 2. Approximate 64.1 by using linearization and use a calculator to compute the percentage error.

A: Given :64.13 We need to approximate the given expression using linearization and compute the…

Q: The number of employees working for Sprockets R US in 2005 was 20,524, with an expected decrease of…

A: in 2005, the number of employees  was 20,524, rate of decrease of 6.3% per year. what is the…

Q: If the average of z and 5z is 30, what is the value of a?

A: Given that avarage value of z and 5z is 30.

Q: Con side that the ten Percent of indlividuals getting tested for the Virus, have the Virus. Now…

A: Let A be the event denoteds the person having virus and B be the event denote the event the person…

Q: Suppose you have entered a 51​-mile biathlon that consists of a run and a bicycle race. During your​…

A: Solution:

Q: Suppose X ~ N(18, 4). What value of x has a z-score of -2.52? Round to 2 decimal places..

A: Given :- X ~ N(18, 4).  Than we have to find the value of x has a z-score of -2.52.

Q: 5. Calculate ſ x e¬x²dx

A:

Q: Sarah works for the Urban Pollination Project at UW. Five years ago, 25% of urban gardens were…

A: From the provided information, 25% of urban gardens were visited by native bees that is p = 0.25 The…

Q: A SRS of 60 students was interviewed to determine the proportion of students who preferred the new…

A: n = 60 Number of success = 37

Q: 4. The Profit P (in thousands of $) for a company in terms of the amount, s, spent on advertising…

A: Given model is, P=-0.1s3+6s2+400

Q: A set of n = 10 pairs of scores has ∑X = 20. ∑Y = 30 and ∑XY = 74. What is the value of SP for these…

A:

Q: Find the relative error if is approximated to 0-667. 3

A:

Q: The pass result of fifty students who took up a class test is given below : Marks Number of Students…

A:

Q: What is the measure of ∠x in this diagram?

A:

Q: For the relation 3Y= 12-6X between X and Y; if standard deviation of X, 0 = 10 and mean of Y values,…

A:

Q: 6+ 2cos3y widest range of values forx 2

A: The range of a function are all values of the dependent variable for all value of the independent…

Q: a) The cutoff time for the fastest 5% of athletes in the men's group, i.e. those who took the…

A: Males u = 4313 sigma = 583 Female u = 5261 sigma = 807

Q: A fast food restaurant boasts that their mean wait time in the drive-thru line is less than 3…

A: Given Information: Number of customers n=125 Sample mean wait time x¯=2.82 Population standard…

Q: The table below gives the amount of time students in a class studied for a test and their test…

A: Given information: The data represents the values of the independent variable X = Hours studied and…

Q: For this question, suppose your value function is is vfor gains and vfor losses. Last night, you…

A: Given: There was a loss of $9 in a bet last night. There was a silver lining: on the way home, $2…