Solution:
Given that, Z= 2.21,α = 0.05
H1:p≠ 0.714
Since, given test is two-tailed test.
P value can be calculated as,
P-value= P(Z>2.21)+P(Z< -2.21)
=[1- P(Z<= 2.21)] +0.0351
=[1- 0.9864]+0.0136
=0.0136 + 0.0136
=0.0272
Since, P-value is less then the level of significance α = 0.05 , so we reject the null hypothesis.
Answer:
0.0272 ; we reject the null hypothesis.
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