A population of values has a normal distribution with μ = 11.7 and o= 35.6. You intend to draw a randomsample of size n = 176.Find the probability that a sample of size n = 176 is randomly selected with a mean between 13 and 18.4.P(13M 18.4) =Enter your answers as numbers accurate to 4 decimal places.> Next Question

Let X be the random variable from normal distribution with mean (μ) = 11.7, standard deviation (σ) =…

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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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CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the standard deviation is 281 dollars. You take a simple random sample of 55 auto insurance policies. Assuming the original population forms a bell-shaped distribution, answer the following and round your answers to three decimals. Find the probability that a single randomly selected value exceeds 962 dollars. P(X 962) = Find the probability that a sample of size n = 55 is randomly selected with a mean that exceeds 962 dollars. P(M>962) = Get Help: VIDEO
About 79% of all female heart transplant patients will survive for at least 3 years. Eighty female heart transplant patients are randomly selected. What is the probability that the sample proportion surviving for at least 3 years will be less than 70%? Assume the sampling distribution of sample proportions is a normal distribution. pq The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to n The probability that the sample proportion surviving for at least 3 years will be less than 70% is| (Round to four decimal places as needed.)
A population of values has a normal distribution with �=105.6 and �=10.5. Find the probability that a single randomly selected value is greater than 102.1. Round your answer to four decimal places. �(�>102.1)= Find the probability that a randomly selected sample of size �=66 has a mean greater than 102.1. Round your answer to four decimal places. �(�>102.1)=
The mean points obtained in an aptitude examination is 167 points with a standard deviation of 20 points. What is the probability that the mean of the sample would differ from the population mean by less than 3.8 points if 76 exams are sampled? Round your answer to four decimal places.
Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be greater than 234 lbs? Round your answer to three decimal places, How can I do this on excel? How do I include the greater than
A population of values has a normal distribution with 45.2 and a 67.7. You intend to draw a random sample of size n = 108. Please answer the following questions, and show your answers to 1 decimal place. Find the value separating the bottom 35% values from the top 65% values. Find the sample mean separating the bottpm 35% sample means from the top 65% sample means.
When Freshman 15 The term "Freshman 15" refers to the claim that college students typically gain 15 lb during their freshman year at college. Assume that the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of 2.6 lb and a standard deviation of 10.8 1b (based on Data Set 13 "Freshman 15"). Find the probability that a randomly selected male college student gains 15 lb or more during his freshman year. What does the result suggest about the claim of the "Freshman 15"?
A population of values has a normal distribution with �=154.2 and �=94.9. A random sample of size �=193 is drawn. Find the probability that a sample of size �=193 is randomly selected with a mean less than 146. Round your answer to four decimal places.
An Intelligence test score for adults is normally distributed with a mean of 100 and population standard deviation of 15. What is the probability we could select a sample of 64 adults and find that the mean of this sample is between 98 and 103? (answer rounded to 2d.ps)
In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately normally distributed with a mean of 53.3 inches, and standard deviation of 2.2 inches.What is the probability that the height of a randomly chosen child is between 51.3 and 57.1 inches? Do not round until you get your your final answer, and then round to 3 decimal places.Answer=___________ (Round your answer to 3 decimal places.)
A population of values has a mean of 59.6 and standard deviation of 35.4. Find the probability that a sample of 58 values from this population will have a mean between 52.6 and 63.8.Enter your answers as numbers accurate to 4 decimal places.
* Your answer is incorrect. Service time for a customer coming through a checkout counter in a retail store is a random variable with the mean of 3.5 minutes and standard deviation of 3.5 minutes. Suppose that the distribution of service time is fairly close to a normal distribution. Suppose there are two counters in a store, n₁ = 2 customers in the first line and n₂ = 13 customers in the second line. Find the probability that the difference between the mean service time for the shorter line X₁ and the mean service time for the longer one X₂ is more than 0.1 minutes. Assume that the service times for each customer can be regarded as independent random variables. Round your answer to two decimal places (e.g. 98.76). P = i 98.80

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