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LiRa [457]
3 years ago
11

The scoring of modern IQ tests is such that IQs have a Normal distribution with mean

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0

Answer:

114

Step-by-step explanation:

z = (x − μ) / σ

0.93 = (x − 100) / 15

x ≈ 114

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Twenty-five ten-thousandths in scientific notation?
Marta_Voda [28]
The answer should be 2.5x10^-4

6 0
3 years ago
A human resource manager wants to see if there is a difference in the proportion of minority applicants who get the job and the
mash [69]

Answer:

Error Bound = 0.04

Step-by-step explanation:

Whenever we want to estimate parameter from a subset (or sample) of the population, we need to considerate that your estimation won't be a 100% precise, in other words, the process will have a random component that prevents us from always making the exact decision.

With that in mind, the objective of a confidence interval is to give us a better insight of where we expect to find the "true" value of the parameter with a certain degree of certainty.

The estivamative of the true difference between proportions was -0.19 and the confidence interval was [-0.23 ; -0.15].

The question also defines the error bound, as the right endpoint of the confidence interval minus the sample mean difference, so it's pretty straight foward:

Error Bound = -0.15 -(-0.19) = -0.15 + 0.19 = 0.04

The interpretation of this would be that we expect that the estimative for the difference of proportions would deviate from the "true" difference about \pm 0.04 or 4%.

6 0
3 years ago
11) At a certain company, an HR benefits meeting and shareholders meeting happen at the same time, so it is impossible for an em
Airida [17]

Answer:

0.99

Step-by-step explanation:

The computation of the probability for employee goes for shareholder meeting or HR benefits meeting is

= Probability of HR benefits meeting + Probability of shareholder meeting

= 0.33 + 0.66

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We simply added the both meeting probability i.e HR benefits and shareholder meeting so that the given probability could come

4 0
3 years ago
Jacqueline had $.84 cents her brother gave her another $.61 cents write the amount of money Jacqueline now has as a decimal expl
gladu [14]
It is 0.23 because 84-61 is 23 and 23 Divided by 100 is 0.23
8 0
3 years ago
Which is the equation of a line that has a slope of Negative two-thirds and passes through point (–3, –1)?
weqwewe [10]

Answer:

Y=2/3x+1

Step-by-step explanation:

5 0
3 years ago
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