9.Sick-leave time used by employees of a firm in one month has approximately a normaldistribution with a mean of 200 hours and a variance of 400.a.Find the probability that total sick leave for next month will be less than 150 hours.b.In planning schedules for next month, how much time should be budgeted for sick leaveif that amount is to be exceeded with a probability of only 0.10?

Answered: Image /qna-images/answer/7096db94-b3c6-45ed-b6ab-59b3ab76d90a.jpg

Answered: 9. Sick-leave time used by employees of…

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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3. The average noontime temperature in a certain location is normally distributed with a mean of 32 degrees Celsius and a standard deviation of 1.3 degrees Celsius. a. b. C. Celsius. Calculate the probability that the noontime temperature is exactly 32 degrees Celsius. Calculate the probability that the noontime temperature is greater than 33 degrees Above what noontime temperature are experienced in 20% of the days. 3
1. Assume that IQ are normally distributed with a mean of 100 and standarddeviation of 20. For a sample of 40 adults, find the probability that their mean IQscore will be greater than 95?
1.a.The amount of money spent weekly on cleaning, maintenance, and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed, with mean ? = $633 and standard deviation ? = $46. If $646 is budgeted for next week, what is the probability that the actual costs will exceed the budgeted amount? (Round your answer to four decimal places.) b.A relay microchip in a telecommunications satellite has a life expectancy that follows a normal distribution with a mean of 90 months and a standard deviation of 3.2 months. When this computer-relay microchip malfunctions, the entire satellite is useless. A large London insurance company is going to insure the satellite for 50 million dollars. Assume that the only part of the satellite in question is the microchip. All other components will work indefinitely. If the satellite is insured for 84 months, what is the probability that it will malfunction before the insurance coverage ends? (Round your answer…
63. Consider three investments. You are given thefollowing means, standard deviations, and correlations for the annual return on these three investments.The means are 0.12, 0.15, and 0.20. The standarddeviations are 0.20, 0.30, and 0.40. The correlationbetween stocks 1 and 2 is 0.65, between stocks 1 and3 is 0.75, and between stocks 2 and 3 is 0.41. Youhave $10,000 to invest and can invest no more thanhalf of your money in any single stock. Determine theminimum-variance portfolio that yields a mean annualreturn of at least 0.14.
2. Suppose a store has a filling machine that fills 12 ounce bottles of juice. It is known that the amount of juice poured by this filling machine follows a normal distribution with a mean of 12.18 ounces and a standard deviation of 0.04 ounce. Find the probability that the bottle contains more than 12.23 ounces of juice.
13. The mean for annual rainfall in Indianapolis is normally distributed with mean 50 inches and the standard deviation 5.5 inches. What is the probability that the annual rainfall will exceed 55 inches? Show answerto 4 decimal places
1. Assume that IQ are normally distributed with a mean of 100 and standarddeviation of 18. For a sample of 15 adults, find the probability that their mean IQscore will be greater than 94?
3. Replacements times of TV sets are reported to follow a normal distribution having a mean of 8.5 years with standard deviation of 1.2 years. If 25 TV sets are selected, what is the probability that the replacement time is between 8.4 years and 9 years.
3. Suppose a store has a filling machine that fills 12 ounce bottles of juice. It is known that the amount of juice poured by this filling machine follows a normal distribution with a mean of 12.10 ounces and a standard deviation of 0.04 ounce. Find the probability that the bottle contains between 12.06 and 12.16 ounces
1. Assume that IQ are normally distributed with a mean of 100 and standard deviation of 15. For a sample of 25 adults, find the probability that their mean IQ score will be greater than 90?
8. Describes the probability of a particular outcome in a series of experiment where the outcome has two distinct possibilities, success or failure. A. Exponential distribution B. Normal distribution C. Probability distribution D. Binomial distribution
27.

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