The average age of CEOS is 54 years. Assume the random variable is normally distributed. If the standard deviation is 4 years, find the probability that the ageof a randomly selected CEO will be in the given range.Refer to the table of valuesArea Under the Standard Normal Distribution) as needed.Part: 0/2Part 1 of 2(a) Between 42 and 62 years oldIf a CEO is selected at random, the probability that he or she will be between 42 and 62 years old isX

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Answered: The average age of CEOS is 54 years.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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parts c and d please needed ASAP thank you in advance.
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual is randomly chosen. Find the probability that this person has an IQ greater than 138. Round your answer to 4 decimals. P(IQ greater than 138) =
Page > of 3 The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 27.8 miles per gallon, with a standard deviation of 4.2 miles per gallon. Assume that a Normal model applies. Find the probability that a randomly selected automobile will average: 1. Less than 24 miles per gallon. 2. More than 19 miles per gallon. 3. Between 24 and 30 miles per gallon. 45°F Cloudy here to search (25
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
Trucks in a delivery fleet travel a mean of 8080 miles per day with a standard deviation of 3737 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives less than 150150 miles in a day. Round your answer to four decimal places.
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ents this quarter: The Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 25.8 miles per gallon, with a standard deviation of 5.2 miles per gallon. Assume that a Normal model applies. Find the probability that a randomly selected automobile will average: 1. Less than 21 miles per gallon. 2. More than 15 miles per gallon. 3. Between 24 and 30 miles per gallon. ular paper, making sure to number each problem so I know what work goes with which problem. e sure to complete and sign the academic honesty statement for each assignment you complete this quarter. If you a nvas. Make sure to check your f6ler for legibility and completeness before unlnading
For a specific year. Americans spent an average of $52 for ice cream. The amount spent is normally distributed and the standard deviation is $7.50. Find the probability that a randomly American spent more than $47 per year on ice cream. Show work. __________ If 1200 Americans were randomly selected, about how many would you expect to have spent less than $47 per year on ice cream? Show your work. ________
Systolic Blood Pressure Assume that the mean systolic blood pressure of normal adults is 120 millimeters of mercury (mmHg) and the standard deviation is 5.6. Assume the variable is normally distributed. Round the answers to at least 4 decimal places and intermediate z-value calculations to 2 decimal places. Part 1 of 3 If an individual is selected, find the probability that the individual's pressure will be between 117.3 and 120 mmHg. P(117.3 < X < 120) = 111 Part: 1/3 - Part 2 of 3 If a sample of 28 adults is randomly selected, find the probability that the sample mean will be between 117.3 and 120 mmHg. Assume that the sample is taken from a large population and the correction factor can be ignored. P(117.3 < X < 120) = Next Part olo Submit Assignment 2020 meoraw Thill LLC. All Rights Reserved. Terms of Use | Privacy Center
The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3484 grams and a variance of 160,000. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be greater than 4124 grams. Round your answer to four decimal places. Answer esc F If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key. ngle. 1 1 9 a Z @ 2 W S X # 3 e d C C $ 4 r f نے % 5 V t g Normal Table -00 to-z Normal Table - to z Oll 6 b y hp h & 7 u n * 8 j N O i m ( 9 k * O ) 0 1 alt р > : Tables ; Keypad Keyboard Shortcuts Submit Answer { ctrl AD + Oct 27 = ? 11 1 6:25 O backspace 1 USE YOUR SMARTPHON Reviews Videss B 55
Assume that females have pulse rates that are normally distributed with a mean of μ=74.0 beats per minute and a standard deviation of σ=12.5 beats per minute. Complete parts (a) through (c) below. Question content area bottom Part 1 a. If 1 adult female is randomly selected, find the probability that her pulse rate is between 67 beats per minute and 81 beats per minute. The probability is 0.42450.4245. (Round to four decimal places as needed.) Part 2 b. If 4 adult females are randomly selected, find the probability that they have pulse rates with a mean between 67 beats per minute and 81 beats per minute. The probability is enter your response here. (Round to four decimal places as needed.)

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