16. A population has a mean of p 30 and a standarddeviation of ơ = 8a. If the population distribution is normal, what isthe probability of obtaining a sample mean greaterthan M = 32 for a sample of n = 4?b. If the population distribution is positively skewed,what is the probability of obtaining a sample meangreater than M =c. If the population distribution is normal, what isthe probability of obtaining a sample mean greater%3D32 for a sample of n 4?than M =D32 for a sample of n =64?%3|d. If the population distribution is positively skewed,what is the probability of obtaining a sample meangreater than AM =32 for a sample of n = 64?

Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Answered: 16. A population has a mean of p 30 and…

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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Suppose samples of size 100 are drawn randomly from a population that has a mean of 20 and a standard deviation of 5. What is the probability of observing a sample mean equal to or greater than 20.5? 0.8384 0.4192 0.1634 0.9192 0.1587
21. Birth weights of babies born to full-term pregnancies follow roughly a normal distribution. At Asian Hospital, the mean weight of babies is 7 Ibs with a standard deviation of 14oz. (1 lb = 14 o). Dr. Watts has four deliveries coming up during the night. Assume the birth weights of these babies can be viewed as a simple random sample. 16. What is the probability that the average weight of the four babies will be more than 7.5 Ibs? 0.65% 30.85% 15.87% 12.65%
1. A multiple-choice test has 10 questions, each with 4 choices. If a student guesses randomly on each question, calculate the probability of getting exactly 5 correct answers. 2.Given a normally distributed variable with a mean of 90 and a standard deviation of 18, calculate the z-score for a data point of 105.
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16. A population has a mean of u = 30 and a standard deviation of o = 8 a. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4? b. If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 4? (Please read question carefully). c. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 64? d. If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than M = 32 for a sample of n = 64?
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?
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1. The average salary of senior high school teachers is P 21,200. Assume a normal distribution with standard deviation of P 2,500. What is the probability that the mean for a sample of 36 teachers salaries is less than P20,000?

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