Mathematics, 05.05.2020 06:11 shelovejaylocs
The proportion of defective computers built by Byte Computer Corporation is 0.15. In an attempt to lower the defective rate, the owner ordered some changes made in the assembly process. After the changes were put into effect, a random sample of 42 computers were tested revealing a total of 4 defective computers. Perform the appropriate test of hypothesis to determine whether the proportion of defective computer has been lowered. Use alpha=0.01
a. State the appropriate null and alternative hypothesis
i. H0=
ii. H1=
b. Appropriate test to test the hypothesis
c. Calculate the value of the test statistic. Test statistic =
d. P-value or t critical value=
e. What is your conclusion
f. Interpretation
Answers: 2
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