A random sample of 169 cans of fruit nectar is drawn from among all cans produced in a run. Prior experience has shown that the distribution of the contents has a mean of 11.22 ounces and a standard deviation of 2.14 ounce. What is the probability that the average contents of the 169 sample cans is greater than 10.99 ounces? a) O 0.081 b) O 0.919 c) O 0.838 d) O 0.162 O 0.203

A random sample of 169 cans of fruit nectar is drawn from among all cans produced in a run. Prior experience has shown that the distribution of the contents has a mean of 11.22 ounces and a standard deviation of 2.14 ounce. What is the probability that the average contents of the 169 sample cans is greater than 10.99 ounces? a) O 0.081 b) O 0.919 c) O 0.838 d) O 0.162 O 0.203

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A Nielsen Company report states that the mean number of TV sets in a U.S. household is 2.24. Assume the standard deviation is 1.2. (Provide your answer with four decimal places) A. If a household is selected at random what is the probability that the number of TV sets is greater than 2 in that household? B.If a sample of 64 households selected what is the probability that the sample mean number of TV sets is greater than 2?
In an exam attended by 1000 people, the average of the grades is 75 and the standard deviation is 5.5, showing a normal distribution. Forty samples of n=25 people were taken from this population for non-refundable draws. Find the arithmetic mean and variance of the distribution of the sample means 29 - a) 86 and 4.41 O B) 75 and 1,181 65 and 1.62 O D) 56 and 2.88 O TO) 70 and 2.31
The scores of a reference population on the Wechsler Intelligence Scale for children(WISC) are normally distributed with mean 100, and standard deviation 15. If a child is selected at random, find probability that he or she has score between 100 and 120. Select one: O a. 0.4187 O b. 0.5012 O c. 0.618 O d. 0.4082
Suppose that a college determines the following distribution for X=number of courses taken by a full-time student this semester: Value of X: 3 4 5 6 Probability 0.05. 0.25 0.27 a) The probability for X=4 is missing, What is it? b) What is the average number of courses full-time students at this college take this semester? c) What is the standard deviation of the number of courses full-time students at this college take this semester. d) What is P(X>4.7)
Given that we have a normal distribution with mean 73 and standard deviation of 13 for an English class's performance. What is the probability of getting a score of 86 or better? A) 0.1587 B) 0.8413 C) 0.3413 D) 0.0013
Women have pulse rates that are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. a.) What is the probability that a woman has a pulse rate higher than 73.2 beats per minute? b.) What pulse rate would separate the lowest 65% of women from the top 35%? c.) What is the probability that a group of 15 women has a mean pulse rate between 74.1 and 83.5 beats per minute? d.) Even though the sample size is less than thirty in part (c) of this question, why can the Central Limit Theorem still be applied? e.) If you were a doctor who is selecting pulse rates as cutoff values for determining whether further tests are needed for patients, which result is more relevant to use, part (a) or part (c)? Why?
1. The average number of acres burned by forest and range fires in a large New Mexico county is 4,255 acres per year, with a standard deviation of 744 acres. The distribution of the number of acres burned is normal. a.) What is the probability that between 2,540 and 4,190 acres will be burned in any given year? b.)What number of burnt acres corresponds to the 38th percentile?
24)
answer d and e only
The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.6 days and a standard deviation of 2.3 days. 1.) What is the probability of spending more than two days in recovery? A.)0.8709 B.) 0.0495 C.) 0.9412 D.) 0.0588 2.) The 80th percentile for recovery times is? A.) 7.54 B.) 4.24 C.) 7.01 D.) 6.81
The height of all 3-year-old females is approximately normal with a mean of 38.72 inches and a standard deviation of 3.17 inches. What is the probability that in a sample of ten 3-year-old females, the mean height is greater than 40 inches? A) 0.3432 B) 0.8992 C) 0.2422 D) 0.5066 E) 0.1008
Samnis. pg The distribution of actual weights of 8-oz chocolate bars pro- duced by a certain machine is normal with mean 8 ounces and standard deviation 0.11 ounces. ܕ ܪܙܢܬܝ * ܝܐܕܨ (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 7.82 and 8.15 ounces? ANSWER: (b) For a SRS of three of these chocolate bars, what is the level L such that there is a 5% chance that the average weight is less than L? ANSWER: