Nicole bought a $3,200 computer on the installment plan. She made a $300 down payment, and

Mathematics

1 answer:

marishachu [46]3 years ago

7 0

Answer:

3,200??

Step-by-step explanation:

It asked at the end what the total amount paid was but it says it right at the top. "Nicole bought a $3,200 computer...")

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A marketing study conducts 60 significance tests about means and proportions for several groups. Of them, 3 tests are statistic

Sav [38]

Answer:

hello your question lacks the required options attached is a picture of the complete question

One would expect about 5% of tests to be significant just by chance if the null hypothesis is true, and for 60 tests, this is 0.05(60) = 3 tests. This could explain why these tests are statistically significant.

Step-by-step explanation:

What is misleading about this is the study's final report because this marketing study was carried out with a level of significance of 5% (0.05) which means that if we carry the same study with varying sample data we will mostly like arrive at a conclusion against our null conclusion 5% of the time and this is not good for the the study because it is a type 1 error and has to be eliminated and it cannot be eliminated totally .

hence One would expect about 5% of tests to be significant just by chance if the null hypothesis is true, and for 60 tests, this is 0.05(60) = 3 tests. This could explain why these tests are statistically significant.