In a survey, 42% of the respondents stated that they talk to their pets on the telephone. A veterinarian believed this result to be too high, so she randomly selected 210 pet owners and discovered that 83 of them spoke to their pet on the telephone. Does the veterinarian have a right to be skeptical? Use the alphaequals0.1 level of significance.
Because np 0 left parenthesis 1 minus p 0 right parenthesisequals
10, the sample size is
5% of the population size, and the sample
is given to be random,
can be reasonably assumed to be random,
cannot be reasonably assumed to be random,
is given to not be random,
the requirements for testing the hypothesis
(Round to one decimal place as needed.)
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