Mathematics, 01.04.2020 21:34, colochaortiz20p7cajw
Suppose that a poll taken 10 years ago found that 56% of parents spank their children. Suppose a recent poll of 500 adults with children finds that 247 indicated that they spank their children. Complete parts (a) and (b) below.
(a) Assuming parents' attitude toward spanking has not changed since the original poll, how many of the 500 parents surveyed would be expected to spank their children?
The expected amount of parents surveyed that would spank their children is
(Round to the nearest whole number as needed.)
(b) Do the results of the survey suggest that parents' attitude toward spanking may have changed since the original poll? Why?
Answers: 1
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