Without doing the calculations, state in which of the following ranges the sample proportion is most likely to be:
0.27 to 0.29, 0.28 to 0.30, 0.29 to 0.31, and 0.30 to 0.32.
Question 2
A random sample of size 10 is selected from a normal population, where the population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used.
For what value of t will the null hypothesis not be rejected?A) to the left of -1.812 or to the right of 1.812
B) to the left of -1.372 or to the right of 1.372
C) to the left of -1.833 or to the right of 1.833
D) to the left of -1.383 or to the right of 1.383
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