For every football game thereisateam that is expected to win by acertain number

Question

For every football game thereisateam that is expected to win by acertain number of points. In beting parance. this is caled the spread rport spreads are acourate, we would peot about har or games played to result inthe favored team winning (beating the spread) and about half of to result in the team favored tonotbeat the spread. The represent the results of 45 randomly selected games where a 0 indicates the favored team did not beat the spread and a 1 indicates the favored team beat the spread, Do the data suggest that sport books establish accurate sproods? BClick the icon to view the spread results. ldentify the oorrect nul and altemative hypotheses. spread Results Use technology to find the P-value. 0 1 0 Pvalue. (Round to three decimal places as needed. 0 0 1 1 0 1 0 0 Enter your answer in the answer box and then click Check Answer MacBook Air

Explanation / Answer

sol:

p^=sample prortion of 1=21/45

Null hypothesis:

H0:p=0.5

Al;ternative hypothesis:

Ha:p not equal to 0.5

z=(21/45)-0.5/sqrt(0.5(1-0.5)/45)

=-0.447

=-0.45

The P-Value is 0.65271.

The result is not significant at p < 0.05.

ANSWER P=0.653

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