B. Solve the following problems.1. The mean number of hours a Filipino worker spends on the computer is 3.1 hours per workday. Assumethe standard deviation is 0.5 hour and is normally distributed, how long does a worker spend on thecomputer if his z-score is 1.2?2. Each month, a Filipino household generates an average of 28 pounds of newspaper for garbage orrecycling. Assume the standard deviation is 2 pounds. Determine the z-score of a household thatgenerates 22 pounds of newspaper.3. The Candelaria Automobile Association reports that the average time it takes to respond to anemergency call is 30 minutes. Assume the variable is normally distributed and the standard deviation is4.5 minutes. How long will a call be responded if it has a z-score of 0.75?d4. The average monthly salary for newly - hired teachers is P21,945. If the distribution is approximatelynormal with a standard deviation of P3250. How much will a teacher earn in a month if his salary has az-score of 1.15?

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Answered: B. Solve the following problems. 1. The…

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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Activity 4. Solve the following problems. 1. The mean number of hours a Filipino worker spends on the computer is 3.1 hours per workday. Assume the standard deviation is 0.5 hour and is normally distributed, how long does a worker spend on the computer if his z-score is 1.2? 2. Each month, a Filipino household generates an average of 28 pounds of newspaper for garbage or recycling. Assume the standard deviation is 2 pounds. Determine the z-score of a household that generates 22 pounds of newspaper.
Seattle, Washington, averages m=34 inches of annual precipitation. Assuming that the distribution of precipitation amounts to approximately normal with a standard deviation of a=6.5 inches, determine whether each of the following represents a fairly typical year, an extremely wet year, or an extremely dry year. a. Annual precipitation of 41.8 inches b. Annual precipitation of 49.6 inches c.
The average annual precipitation in Vancouver, British Columbia is 1300 mm. Assuming that the distribution of precipitation amounts is approximately normal with a standard deviation of 230 mm, determine whether each of the following represents a fairly typical year, an extremely wet year, or an extremely dry year. Write a statement and explanation for each answer. a. Annual precipitation of 1600 mm. b. Annual precipitation of 1050 mm.
Solve for C)
The Family income is normally distributed with an average of 25000$ and a standard deviation of 10000$. If the poverty level is $10,000, what percentage of the population lives in poverty? Select one: a. None of the mentioned answers is correct b. A little under 10% of the population lives in poverty. C. A little under 5% of the population lives in poverty. d. A little under 7% of the population lives in poverty. V The correct answer is: A little under 7% of the population lives in poverty.
Seattle, Washington averages mean = 34 inches of annual precipitation. Assuming that the distribution of precipitation amounts is approximately normal with a standard deviation of s = 6.5 inches, determine whether each of the following represents a fairly typical year, an extremely wet year, or an extremely dry year. a. Annual precipitaiton of 41.8 inches b. Annual precipitaiton of 49.6 inches c. Annual precipitaiton of 28.0 inches
To assess the air quality in a surgical suite, the presence of colony-forming spores per cubic meter of air is measured on three successive days. The results are as follows: {12, 24, 30}. Calculate the mean and standard deviation for these data.
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Which of the following would be the most reasonable estimate for the weight of house cats? (The population would be all house cats in the U.S., and the variable would be each cat's weight.) A. Mean = 10 pounds, standard deviation = 0 pounds. B. Mean = 10 pounds, standard deviation = 2 pounds. C. Mean = 10 pounds, standard deviation = 10 pounds. D. Mean = 2 pounds, standard deviation = 10 pounds.
A student scores 74 on a geography test and 264 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 5. The mathematics test has a mean of 300 and a standard deviation of 24. If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class? OA. The student scored better on the mathematics test. OB. The student scored better on the geography test. OC. The student scored the same on both tests.
Gestation Periods of Humans. Gestation periods of humans have a mean of 266 days and a standard deviation of 16 days. Let y denote the variable "gestation period" for humans.a. Find the standardized variable corresponding to y.b. What are the mean and standard deviation of the standardized variable?c. Obtain the z-scores for gestation periods of 227 days and 315 days. Round your answers to two decimal places.d. Interpret your answers in part (c).
Laura and learn that her GPA average in her school is a 3.6 with a standard deviation of 0.3. if her gpa 3.0 what is her z sxore

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