O Assume that you plan to use a significance level of a = 0,05 to test the claim that P, = P2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis test. Round to the nearest thousandth.
In a vote on the Clean Water bill, 41% of the 205 Democrats voted for the bill while 52% of the 230 Republicans voted for it.
O A. zs - 2.292
OB -- 1.375
OC. ZE - 2.521
OD. ZE - 1.948

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.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

What is the radius of the cone in the diagram? round your answer to the nearest whole number