In: Statistics and Probability
A genetic experiment involving peas yielded one sample of offspring consisting of 432 green peas and 121 yellow peas. Use a 0.05 significance level to test the claim that under the same circumstances, 27% of offspring peas will be yellow. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method and the normal distribution as an approximation to the binomial distribution. What are the null and alternative hypotheses? A. Upper H 0 : p not equals 0.27 Upper H 1 : p greater than 0.27 B. Upper H 0 : p equals 0.27 Upper H 1 : p less than 0.27 C. Upper H 0 : p equals 0.27 Upper H 1 : p not equals 0.27 Your answer is correct.D. Upper H 0 : p not equals 0.27 Upper H 1 : p equals 0.27 E. Upper H 0 : p not equals 0.27 Upper H 1 : p less than 0.27 F. Upper H 0 : p equals 0.27 Upper H 1 : p greater than 0.27 What is the test statistic? zequals nothing (Round to two decimal places as needed.)
The Hypotheses are:
Rejection region:
Reject Ho if |Z| > Z 0.025=1.96
Test Statistic is calculated as
P-value:
P-value is computed using Z score and Z table shown below hence P-value=0.0251
Conclusion:
Since the |Z|> Z 0.025 and P-value< 0.05 hence we reject the null hypothesis and conclude that there is enough evidence to support the claim.