The following gives information about the proportion of a sample that agree with a certain statement. use statkey or other technology to find a confidence interval at the given confidence level for the proportion of the population to agree, using percentiles from a bootstrap distribution. statkey tip: use ‘‘ci for single proportion" and then ‘‘edit data" to enter the sample information. find a 90% confidence interval if 112 agree and 288 disagree in a random sample of 400 people. what is the 90% confidence interval?

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?