Elizabeth lives in san san francisco and works in a mountain view. in the morning she has 3 transportation options, take a bus, a cab, or a train to work. in the evening, she has the same 3 choices for her trip home. if elizabeth randomly chooses her ride in the morning and in the evening what is the probability that you'll use the can exactly one time?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Build is 120 wide 20 feet high 48 feet long how many cubic feet and the volume

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =