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A bank branch wants to estimate the proportion of all customers who visit the bank primarily to use the outdoor ATM. In a random sample of 300 customers, 223 had come to the branch primarily to use the ATM. Estimate the proportion of all customers who visit the branch to use the ATM with 95% confidence.
Determine the shortest time spent waiting for a heart that world still place a patient in the top 10% of waiting times? In days?"
Find the probability that 4 of the 5 committee members belong to a union.Find the probability using hypergeometric distribution.
Suppose Z has a standard normal distribution with a mean of 0 and a standard deviation of 1.0. One-half (50%) of the possible Z values are between ________ and ___________ symmetrically distributed about the mean.
if x units of product cost c dollars to manufacture and earn revenue of r dollars the values of x where the expressions
A random variable is binomially distributed with n = 16 and π = .40. The expected value and standard deviation - find the sample size to estimate the mean with an error of ± 4 and 95 percent confidence (rounded to the next higher integer).
1. dr. hunter estimates that on the average about 10 deer carcasses lie along any given 25-mile stretch of
How many students would you include in a random sample to determine with 95% probability and to within 5% of the true value the proportion who arrive at 9am lectures without breakfast?
provide an example of each of the following types of data nominal ordinal interval and
Based on these data, what is the probability that next Christmas will be dry and based on the data,what is the probability that next Christmas will be rainy or cloudy and dry?
The p-value approach was to be used. A sample of size 49 gave a sample mean of 508. Given that σ = 30.2, and α = 0.01, find the p-value, and write your conclusion.
Describe different methods of establishing correlation between variables and provide an example of each. Discuss the advantages and disadvantages of each method and where each must be applied.
A frequency distribution was developed. The lower endpoint of the first class is 9.30, and the midpoint is 9.35. what is the upper endpoint of this class?
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