Tweet tweet: An article reported that

73%

of companies have Twitter accounts. An economist thinks the percentage is higher at technology companies. She samples

70

technology companies and finds that

60

of them have Twitter accounts. Can she conclude that more than

73%

of technology companies have Twitter accounts? Use the

=0.01

level of significance with the

P

-value method and Excel.

Part: 0 / 5

0 of 5 Parts Complete

Part 1 of 5

(a)State the null and alternate hypotheses.

H0

:

H1

:

This hypothesis test is a (Choose one) test.