Sally measured the length of her sub sandwiches each day for four days. DayMon. Tues. Wed. Thurs.
Length (in.)6 1/85 3/46 3/165 7/8
Since she ordered a 6-inch sandwich each day, Sally should have received a total of 24 inches of bread. How does the actual total number of inches compare to the expected total number of inches?

a
-1/16 in.

b
1/16 in.

c
- 1 1/8 in.

d
1 1/16 in.

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) =