To find: that these two age groups equally skilled at sorting yes or not.
Answer to Problem 27E
No
Explanation of Solution
Given:
Formula used:
Sample proportion
Calculation:
Hypothesis testing
Sample proportion
Test statistics is
Finding the value of Z
Here P value is too much smaller than the significance level, so reject the null hypothesis.
Therefore, there is enough proof to reject the claim that the two age groups are equally skilled.
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