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In a recent survey of full-time female workers ages 22 to 35 years, 46% said they would rather give up some of their salary for more personal time. Suppose you select a same of 100 full -time female workers 22-35 years old.
a. What is the probability that in the sample, fewer than 50% would rather five up some of their salary for more personal time?
b. What is the probability that in the sample, between 40% and 50% would rather give up some of their salary for more personal time?
c. What is the probability that in the sample, more than 40% would rather give up some of their salary for more personal time?
d. Id a sample of 400 is taken, how does this change your answers to (a) through (c)?
Complete the table and answer the following questions. Use the .05 significance level.
tudent from the high school is arbitarily selected. Reply the following questions: Determine the probability that the student's ACT score is less than 22?
Assume the population proportion is p = .25. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 1,000 is selected (to 4 decimals)?
question letnbspomega be a space of results and b one happening such that probability of b gt 0 pb gt 0. prove that
Calculate a 95% confidence interval for the mean endowment of all the private colleges in the United States assuming a normal distribution for the endowments.
A box contains ten fuses of which 3 are defective. Two fuses are selected at random from the box without replacement. What is the probability that exactly one of the fuses selected is defective?
Formulate a linear programming model for this problem.
Draw a scatter diagram of the following bivariate data.
A normal distributed population has a mean of 250 pounds and a standard deviation of 10 pounds. Given n = 20, what is the probability that this sample will have a mean value between 245 and 255 pounds?
If the number of trials during each experiment is 12, determine the maximum likelihood estimate for the probability of success, p.
Determine if the values are uniformly distributed. The researcher is using the chi-square goodness-of-fit test for this analysis.
A couple both carry a recessive gene for albinism, meaning the probability of any child being albino is ¼. The couple plans to have 4 children. What is the probability that two of their four children will be albino? Calculate the expected mean and ex..
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