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A population variance 34
a. What is the standard deviation ?
b. What if n= 14 what would be the standard deviation of the mean?
c. What would be the standard deviation of the sum for a sample of n=14?
d. For what size sample would the variance of the mean equal 1?
e. For what size sample would the standard deviation of the mean equal 3?
The password of 52 digit sequence is made. It consists of 0 and 1. How various different possibilities exist for networks password.
The distribution of box weights is normally distributed with a mean of 9 ounces and a variance of 0.01 ounces. What is the probability of randomly selecting a box containing less than 8.9 ounces?
How can the Binomial and Poisson probability distributions be utilized in solving business and marketing related questions? Identify an example of each.
the density function of the time z in minutes between calls to an electrical supply store is given byfz 110e-z
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your body mass index bmi is your weight in kilograms divided by the square of your height in meters. many online bmi
question the expense of moving the storage yard for the consolidated package delivery service cpds is justified only
A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in the California and finds tha..
The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..
The number of passengers on the Carnival Sensation during one-week cruises in the Caribbean follows the normal distribution.
A random sample of 36 cars showed a mean repair cost of $330, with a standard deviation of $120. What can you tell the city fathers?
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