dy*WThe time to complete an exam is approximately Normal with a mean of 53 minutes and a standarddeviation of 4 minutes.The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equalto the standard deviation. Fill in the indicated boxes.#μ-30 μ-20 μέσ H μ+o3Question Help: Written Example Message instructorSubmit Question Jump to Answer*E$4OR%5=53o=4μ+20 μ+30TQ Search406&Y4+*UCO(ho➤OA

We have given that, Mean (μ) = 53 and standard deviation (σ) = 4

Answered: The time to complete an exam is…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question Help Suppose you buy a new car whose advertised mileage is 20 miles per gallon (mpg). After driving your car for several months, you find that its mileage is 15.5 mpg. You telephone the manufacturer and learn that the standard deviation of gas mileages for all cars of the model you bought is 1.21 mpg. a. Find the z-score for the gas mileage of your car, assuming the advertised claim is correct. b. Does it appear that your car is getting unusually low gas mileage?
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. H = 48 o = 7 H- 30 H-20 μ+2σ μ+ 3
Answer both pictures
Find the range and the standard deviation (correct to two decimal places). 82, 92, 97, 97, 97 range standard deviation
The time to complete an exam is approximately Normal with a mean of 41 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. µ = 41 o = 7 H- 30 u-20 µ-o u+o µ+20 µ+30
The time to complete an exam is approximately Normal with a mean of 43 minutes and a standard deviation of 5 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes.
Use the standard normal table to find the z-score that corresponds to the given percentile. If the area is not in the table, use the entry closest to the area. If the area is halfway between two entries use the z-score halfway between the corresponding z-scores. If convenient, use technology to find the z-score. P 25 Click to view page 1 of the table. Click to view page 2 of the table. The z-score that corresponds to P25 is (Round to two decimal places as needed.)
shift a tab Consider a set of data in which the sample mean is 94.2 and the sample standard deviation is 7.8. Calculate the z-score given that .x = 97.6. Round your answer to two decimal places. Answer How to enter your answer (opens in new window) alt Dok x360 from any angle. 1 1 q a Z 2 W S # R 3 e d X C C $ 4 f V 96 2 5 t g 6 b y h hp & 7 n u j 9 8 m O i k M ( 9 O 4 alt > O Р U 30 ✔ = ctrl { [ ? Tables Submit Answer R 1 . Keypad Keyboard Shortcuts 0 Specs-Support USE YOUR SMARTPHONE FOR SCAN Oct 5 } 1 6:04 backspace enter ENERGY STAR shift (intel)
The time to complete an exam is approximately Normal with a mean of 45 minutes and a standard deviation of 4 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes.. μ-20 μισ μ-36 μ-20 μ μ+o μ=45 σ = 4 μ+20 μ+30
Please write to text formet answer but don't copy paste the answer
Length of snowboards in a boardshop are normally distributed with a mean of 151.6 cm and a standard deviation of 0.7 cm. The figure below shows the distribution of the length of snowboards in a boardshop. Calculate the shaded area under the curve.Express your answer in decimal form accurate to at least two decimal places.

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