Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to at leastthree decimal places. A binomial experiment has the given number of trials n and the given success probability p.n= 18, p=0.9 (c) Find the varlance and standard deviation. Round the variance to two decimal places and standard devlation to at leastthree decimal places.The variance isThe standard deviation is

Given A binomial experiment has the given number of trials n and the given success probability p.…

Answered: Find the variance and standard…

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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Finding the Mean, Variance, and Standard Deviation of a Binomial Distribution About 9% of the population has a particular genetic mutation. Suppose 100 people are randomly selected and the number with the particular genetic mutation are counted. Find the mean number of people who will have the genetic mutation in such groups of 100 people. Find the variance of the number of people who will have the genetic mutation in such groups of 100 people. Round answer to 2 decimal places. Find the standard deviation of number of people who will have the genetic mutation in such groups of 100 people. Round answer to 2 decimal places.
Solve the problem.Assume that mountain lions' weights are normally distributed with a mean of 62.6 kilograms and a standard deviation of 2.6 kilograms. If 70 mountain lions are randomly selected, find the probability that they have a mean weight between 61.9 kilograms and 62.8 pounds.
Internet Service Providers The amount that households pay service providers for access to the Internet varies quite a bit, but the mean monthly fee is $50 and the standard deviation is $20. The distribution is not Normal: many households pay a low rate as part of a bundle with phone or television service, but some pay much more for Internet only or for faster connections. A sample survey asks an SRS of 50 households with Internet access how much they pay. Let x be the mean amount paid. 1. Explain why you can't determine the probability that the amount a randomly selected household pays for access to the Internet exceeds $55. 2. What are the mean and standard deviation of the sampling distribution of x ? 3. What is the shape of the sampling distribution of x ? Justify your answer. 4. Find the probability that the average fee paid by the sample of households exceeds $55.
Find the standard deviation of the following values: 2.58x10-5, 2.33x10-5, 3.28x10-5, 3.57x10-5
A standardized exam's scores are normally distributed. In a recent year, the mean test score was 21.3 and the standard deviation was 5.6. The test scores of four students selected at random are 13, 23, 8, and 36. Find the z-scores that correspond to each value and determine whether any of the values are unusual. The z-score for 13 is _________. round to two decimal places.
Square of the standard deviation is called Select one: O a. Coefficient of determination b. Variance c. Square Deviation d. Mean Deviation
Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives at least 141 miles in a day. Round your answer to four decimal places.
Tossing Coins Find the mean, variance, and standard deviation for the number of heads when 11 coins are tossed. Round your answer to three decimal places.
An insurance company is looking over accident statistics. They want to model the population of all drivers for the population parameter of the standard deviation and variance of the age of the driver involved in an automobile accident. They have a sample of 100 accidents from around the country. The age of the driver in each of these accidents is provided below. Use Excel to calculate the sample standard deviation and the sample variance. Round your answers to one decimal place. Do not round until you've calculated your final answer "Age of people in accident"48643346436728189044472440202747683248472248217347302918487364454920205066654187873417203176493089672222455023481746382942254720463119214227226621236675744621461969202048238851284918204522313823284939 Standard deviation: Variance:
The standard error of the mean is a Sample standard deviation b. Standard deviation of the population c.Standard deviation of the mean d.Standard deviation of the distribution of sample means
The distribution of heights in a population of women is approximately normal. Sixteen percent of the women have heights less than 62 inches. About 97.5% of the women have heights less than 71 inches. Use the empirical rule to estimate the mean and standard deviation of the heights in this population. Mean: K inches Standard Deviation: inches
For a recent 10k run, the finishers are normally distributed with mean 56minutes and standard deviation 10 minutes. Find the ninth decile for the finishing times. The ninth decile is ________ minutes. (Round to two decimal places as needed.)

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Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to at least three decimal places.