Suppose the
p-value equals 0.018 for testing whether or not bags of candy had on average more than 25 pieces of candy in them. Which of the following conclusions would be correct for testing the hypotheses H
0:
versus H
a:
?
a.It can be concluded that there are not more than 25 pieces of candy on average in a bag at the
level.
b.It can be concluded that there are more than 25 pieces of candy on average in a bag at the
level.
c.It can be concluded that there are more than 25 pieces of candy on average in a bag at the
level.
d.It can be concluded that there are more than 25 pieces of candy on average in a bag at the
level, and at the
level.
Question 2 Suppose a random sample of 15 individual's ages had the following statistics:
, s = 4.1. What is the test statistic for testing H
0:
versus H
a:
?
a.
t = 1.89,
df = 14
b.
t = -1.89,
df = 15
c.
t = 30.23,
df = 29
d.
z = -1.89
Ants eating candy
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If the price charged for a candy bar is p(x) cents, then x thousand candy bars will be sold in ...