The u. s. census bureau claims that 26% of all u. s. businesses are owned by women. suppose that we suspect this is not true and we want to do a hypothesis test using random sampling.

what is the smallest sample size that we could take in order to safely use the zz significance tests for a proportion?

a) 14

b) 10

c) 39

d) 20

What is the range for 31,39,29,34,37,24,36,33,34,28

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.