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IRINA_888 [86]
3 years ago
7

The men took an average of 21.89 hours of personal time per year with a standard deviation of 3.29 hours. The Human Resources De

partment believes that women tend to take more personal time than men because they tend to be the primary child care givers in the family. The t-test for two means is appropriate in this situation because Group of answer choices women and men are dependent samples. women and men are independent samples. women and men are matched samples. the observations are paired. None of these.
Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0

The t-test for the two means is appropriate in this situation because women and men are independent samples.

<h3>What are Independent Samples?</h3>

Independent samples are chosen randomly, ensuring that their results are independent of other observations' values.

The premise that samples are independent underlies many statistical analyses. Others are made to evaluate non-independent sample sets.

The samples of men and women are independent since their results are independent of other observations' values.

The Independent Samples t-Test analyzes the means of two separate groups to see if there is statistical support that the population means values are statistically substantially different.

Learn more about Independent Samples here:

brainly.com/question/14099859

#SPJ4

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Mr. And Mrs. Doran have a genetic history such that the probability that a child being born to them with a certain trait is 0.14
poizon [28]

Answer:

0.938

Step-by-step explanation:

From the question :

p = 0.14

Number of children, n = 7

P(x ≤ 2) = P(2) + P(1) + P(0)

Using binomial probability :

P(x =x) = nCx  * p^x * (1 - p)^(n - x)

We could also use the binomial probability calculator :

P(x ≤ 2) = 0.3479 + 0.3965 + 0.1936

P(x ≤ 2) = 0.938

8 0
3 years ago
Katie practice the flute for 45 minutes then she ate a snack for 15 minutes next she watched television for for 30 minutes until
IrinaK [193]
Well let's see, how about we subtract 6 P.M from 30 minutes and that is 5:30 P.M then we subtract 5:30 by 15 minutes, and we get 5:15 P.M then we subtract 5:15 P.m by 45 minutes and we get 4:30 P.M
4 0
3 years ago
Read 2 more answers
Jack and Hassan have part-time jobs after school and on weekends. In March, jack earned $35 more than Hassan. Together their tot
nydimaria [60]

Answer:

Step-by-step explanation:

jack=35

Hassan=x

x+35=255

255-35=$220 (It has to be x=)

So:

220/2=$110

Therefore:

Hassan=$110

Jack=$110+$35=$145 (because he had earned $35 more)

4 0
3 years ago
A 5.9-foot-tall-man stands near a 12-foot statue. The man places a mirror on the ground a certain distance from the base of the
jeka94

Answer:

14.24 foot far is the mirror from the base of the statue.

Step-by-step explanation:

Proportion states that the two ratios or fractions are equal.

As per the statement:

See the diagram as shown below:

Height of a boy = 5.9 foot tall

Height of a statue = 12 foot.

Distance of a boy from the mirror  = 7 feet.

Let x be the distance of the mirror from the base of the statue.

then by definition of proportion we have;

\frac{\text{Height of a boy}}{\text{Distance of a boy from the mirror}}= \frac{\text{Height of a statues}}{\text{Distance of mirror from the base of the statue} }

Substitute the given values we have;

\frac{5.9}{7} =\frac{12}{x}

By cross multiply we have;

5.9x = 84

Divide both sides by 5.9 we have;

x = 14.24 ft

Therefore, 14.24 foot far is the mirror from the base of the statue.

5 0
3 years ago
Solve 22.5 + x = -47.37.
Evgen [1.6K]

Answer:

x = -69.87

Step-by-step explanation:

22.5 + x = -47.37

Subtract the 22.5 on both sides:

x = - 69.87

8 0
3 years ago
Read 2 more answers
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