b. The test statistic t : |(please show your answer to 3 decimal places.) c. The p-value = |(Please show your answer to 4 decimal places.)

Use the expression in the accompanying discussion of sample size to find the size of each sample if you want to estimate the difference between proportions of men and women who own smartphones assume that you want 99% confidence that your area is no more than 0.045

Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The autoratic hopper car loader is set to put 57 tons of coal ints each car. The actual weights of coal loaded d deviation o = 1.1 ton.

A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results.   Positive Negative Total Pregnant 54 9 63 Not Pregnant 4 55 59 Total 58 64 122 Round your answers to the nearest thousandth.PP(positive∣∣pregnant) = PP(pregnant∣∣positive) = PP(negative∣∣pregnant) = PP(not pregnant∣∣negative) =