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harina [27]
3 years ago
11

To avoid the problem of having access to tables of the F distribution with values for the lower tail when a one-tailed test is r

equired, let the _____ variance be the numerator of the test statistic. a. sample variance from the population with the larger hypothesized b. larger sample c. sample variance from the population with the smaller hypothesized d. smaller sample
Mathematics
1 answer:
omeli [17]3 years ago
6 0

Answer:

The answer is "Option b".

Step-by-step explanation:

The significant variance shows that the numbers in the set are far from the mean and far from each other as well. Alternatively, a little variation implies the reverse. The variance value of 0, on either hand, shows that all values inside a set of numbers are the same. If you need yet another test, use a greater sample variance as the numerator of the test statistic to avoid having to reference tables of the F distribution that primary device from of the lower tail.

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Answer:

A) Both events are not independent.

B) Both events are not mutually exclusive

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Step-by-step explanation:

A) Both events are not independent. This is because, If B occurs it means that it is very likely that J will occur as well.

B) Both events are not mutually exclusive. This is because it is possible for both events J and B to occur at the same time.

C) we want to find the probability that Joe who is not a business student will receive the job offer.

This is;

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Now,

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P(B) = 0.4

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P(J|B) = 0.5

Thus;

P(J & Not B) = 0.25 - (0.4 × 0.5)

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P(J & Not B) = 0.05

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P(B & J) = (P(B) × P(J | B)) = (0.4 × 0.5) = 0.2

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P(B | J) = 0.8 = 80%

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