What is 0.4 times 0.6?

Mathematics

2 answers:

Margaret [11]3 years ago

5 0

0.24 4 x 6 = 24 add 0. in front because its a decimal.

Ksenya-84 [330]3 years ago

3 0

Your answer is
.4*.6=.24

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Suppose the American Lung Association stated that approximately 1 out of every 20 deaths in the US last year was from lung cance

tester [92]

Answer: 10

Step-by-step explanation:

Given : The American Lung Association stated that approximately 1 out of every 20 deaths in the US last year was from lung cancer.

Then, the proportion of death will be :_

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Now, If there are 200 students in a class, then the expected number of persons die from lung cancer :-

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8 0

4 years ago

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.