2. An importer of electronic goods is considering packaging a new, easy-to-read instructionbooklet with DVD players. It wants to package this booklet only if it helps customers more thanthe current booklet. Previous tests found that only 30% of customers were able to program theirDVD player. An experiment with the new booklet found that 16 out of 60 customers were able toprogram their DVD player.a. State the null and the alternative hypothesis.b. Find the p-value of the test. (.71). Do the data supply enough evidence to reject the null hypothesis if a 0.057

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Asked May 15, 2019
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Part a, b, and c

2. An importer of electronic goods is considering packaging a new, easy-to-read instruction
booklet with DVD players. It wants to package this booklet only if it helps customers more than
the current booklet. Previous tests found that only 30% of customers were able to program their
DVD player. An experiment with the new booklet found that 16 out of 60 customers were able to
program their DVD player.
a. State the null and the alternative hypothesis.
b. Find the p-value of the test. (.71)
. Do the data supply enough evidence to reject the null hypothesis if a 0.057
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2. An importer of electronic goods is considering packaging a new, easy-to-read instruction booklet with DVD players. It wants to package this booklet only if it helps customers more than the current booklet. Previous tests found that only 30% of customers were able to program their DVD player. An experiment with the new booklet found that 16 out of 60 customers were able to program their DVD player. a. State the null and the alternative hypothesis. b. Find the p-value of the test. (.71) . Do the data supply enough evidence to reject the null hypothesis if a 0.057

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Expert Answer

Step 1

Null and alternative hypothesis:

Null Hypothesis:

A null hypothesis is a statement regarding the population value which, one has to prove or disprove based on facts. It can be denoted as H0. Most often null hypothesis states that there is no significant relation between population values.

Alternative Hypothesis:

An alternative hypothesis is a contradictory statement of null hypothesis. It can be denoted as Ha.

Step 2

a. Stating the appropriate null and alternative hypotheses:

The importer is planning package a new booklet only if it helps the customers more than the current booklet. It was found that only 30% of the customers were able to program their DVD player. The experiment found that 16 out of the 60 customers were able to programme their DVD player.

Let p be the proportion of customers who were able to programme their DVD player.

The hypotheses are given below:

Null hypothesis:

H0 : p = 0.30.

That is, the proportion of customers who were able to programme their DVD player is 0.30.

Alternative hypothesis:

Ha : p > 0.30.

That is, the proportion of customers who were able to programme their DVD player is greater than 0.30.

Step 3

b. Finding the p-value for the hypothesis test:

Test statistic:

The test statistic f...

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