Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9, Problem 9.39P
\
To determine
The 95% confidence interval when time constant is 5 seconds reads 500 cpm.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A 729 range meter is having an accuracy of ± 1.45% of FSD. Calculate the %error for a measurement of 1325 reading.
(i)Accuracy=
(ii) %Error=
You run quality control for a bolt producer. This past week, the plant
completed a run of 3-inch diameter bolts with mean of 3.02 inches and
standard deviation of 0.04 inches.
What is the Z value to two decimal places?
Which of the following is a correctly
reported confidence interval?
O (3.782 +/- 0.02) s
O (4 +/- 0.1) s
(3.782 +/- 0.002) s
O (5.27 +/- 0.23) s
Chapter 9 Solutions
Introduction To Health Physics
Ch. 9 - Prob. 9.1PCh. 9 - Prob. 9.2PCh. 9 - Prob. 9.3PCh. 9 - Prob. 9.4PCh. 9 - Prob. 9.5PCh. 9 - Prob. 9.6PCh. 9 - Prob. 9.7PCh. 9 - Prob. 9.8PCh. 9 - Prob. 9.9PCh. 9 - Prob. 9.10P
Ch. 9 - Prob. 9.11PCh. 9 - Prob. 9.12PCh. 9 - Prob. 9.13PCh. 9 - A counting system has a background of 360 counts...Ch. 9 - Prob. 9.15PCh. 9 - Prob. 9.16PCh. 9 - Prob. 9.17PCh. 9 - Prob. 9.18PCh. 9 - Prob. 9.19PCh. 9 - Prob. 9.20PCh. 9 - Prob. 9.21PCh. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Prob. 9.24PCh. 9 - Prob. 9.25PCh. 9 - Prob. 9.26PCh. 9 - Prob. 9.27PCh. 9 - Prob. 9.28PCh. 9 - Prob. 9.29PCh. 9 - Prob. 9.31PCh. 9 - Prob. 9.33PCh. 9 - Prob. 9.34PCh. 9 - Prob. 9.35PCh. 9 - Prob. 9.38PCh. 9 - Prob. 9.39PCh. 9 - Prob. 9.44P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Will quantitative fluorescence spectroscopy be as sensitive to path length differences in sample cells as quantitative UV-visible spectroscopy? Explain. What are some of the potential pitfalls of parts per billion analysis?arrow_forwardA lab class conducts a 1000 trial scattering probability experiment. Nine (9) target marbles were used on a 45.0 cm wide board. The marble diameter was calculated to be 1.48 cm. How many hits were recorded during the experiment? If the standard value for the marble diameter is 1.55 cm, what is the percent error in the experimental marble diameter? A graduated cylinder with a least count of ± 0.5 ml is used in a density experiment. The initial water level, before inserting the irregular shaped solid, is 30.0 ml. After inserting the solid, the water level is 32.5 ml. What is the probable error in the volume of the solid? What is the probable percent error in the volume of the solid?arrow_forwardThe brightness of a television tube can be evaluated by measuring the amount of current required to achieve a particular brightness level. A sample of 25 tubes results in x̅= 450.5 and s = 21.6. Find (in microamperes) a 99% confidence interval on the mean current required.arrow_forward
- Determine a linear relationship between salt concentration (g/L) and boiling time (s). What is the 95% confidence interval for this estimate? Show the base equations you are using to determine these results.arrow_forwardI'm still having trouble understanding what this would mean in terms of accuracy and percision though. Would a relative error value of -30% mean that the exeriment is acurate and percise? or no?arrow_forwardA water sample was analyzed by an .15 emission spectroscopic method (slope of the calibration graph = 5.1 ppm Zinc-1). If the average signal of this sample is 18.3(±0.2), then the analytical sensitivity of * :this sample is %3D 11.4 33.8 25.5 19.4arrow_forward
- Regarding to iron and TIBC measurement experiment answer the following question: For serum iron sample/male, if you have the following data: Absorption of sample blank :0.003 Absorption of sample :0.126 Absorption of standard: 0.100 Concentration of standard =100 ug/dl detection limit 2.69 ug/dl linearity limit : 1000 yg/dl reference range : 50-170 ug/dl 1- The concentration of serum iron is. . (Show your calculation) For TIBC, if you have the following readings : A sample : 0.122 A sample blank =0.003 A standard : 0.100 Show your calculation A) TIBC = a) % transferrin saturation is.. What is your interpretation about the result?arrow_forwardThe relation between resistance R and temperature T for a thermistor (a device that measures temperature) closely follows R = Ro e[Beta (1/T - 1/To)] where R is the resistance in ohms measured at temperature K, and Beta is a material constant. What are the units of Beta and Ro? Clearly show how you decided on your answer.arrow_forwardThomas' Bike Shop stocks a high-volume item that has a normally distributed demand during lead time. The average daily demand is 100 units, the lead time is 4 days, and the standard deviation of demand of 20 units. (a) What should the reorder point be to satisfy a 90% service level to Thomas? (b) Suppose Thomas decides to cut back on safety stock by 40%, what would be his new service probability?arrow_forward
- A single-walled carbon nanotube has 2.3x 1019 carbon atoms per m2 along its surface. The nanotube diameter is 1.4 nm. (a) Find the mass density of the nanotube in kg/m3. (b) Compare your answer to (a) with the density of steel, about 7800 kg/m3.arrow_forwardThe concentration of H+ ions outside a membrane is 14 % of the concentration inside the membrane. What must be the Nernst potential across the membrane to maintain that concentration difference when the temperature is such that the Remember, the Boltzmann probability factor: KBT quantity =27 mV. - e ΔΕ Z = e¯¯kBT, Boltzmann's constant is kg = 1.38 x 10-23 J kB K and the = +1.6 x 10-19 C. Express your answer in mV = charge on a proton is e = milli-Volts = 10-3 Voltsarrow_forwardWhat are the pros and cons of a CZT detector over an HPGe detector in terms of energy resolution, counting efficiency (considering the typical size of the detectors), cooling requirement, complexity (from the user’s point of view), portability, size and mass, etc.? What is your expectation for the market of the room-temperature semiconductor detectors for the next 10 years?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON