The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s test score was 72, which expression would she write to find the z-score of her test score? z = StartFraction 72 minus 79 Over 7 EndFraction z = StartFraction 72 minus 7 Over 7 EndFraction z = StartFraction 79 minus 72 Over 7 EndFraction z = StartFraction 7 minus 79 Over 7 EndFraction.

Question

03-03-2022
Mathematics

Answered

Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Ask your questions and receive accurate answers from professionals with extensive experience in various fields on our platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s test score was 72, which expression would she write to find the z-score of her test score? z = StartFraction 72 minus 79 Over 7 EndFraction z = StartFraction 72 minus 7 Over 7 EndFraction z = StartFraction 79 minus 72 Over 7 EndFraction z = StartFraction 7 minus 79 Over 7 EndFraction.

Sagot :

We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Get the answers you need at Westonci.ca. Stay informed with our latest expert advice.

What is the standard form of the equation of a parabola that opens up or down?A. [tex] y = a(x - h)^2 + v [/tex]B. [tex] y = ax^2 + bx + c [/tex]C. [tex] x = a(

Janet and Shamar deliver flowers. Janet traveled an average of 1,033 miles per month. Shamar traveled an average of 1,494 miles per month. Based on these averag

A statistics professor gives a test that has a mean of 53 and a standard deviation of 10. One student earns a score of 89 on this test. In this context, is the

Which sequence follows the rule [tex]$a_n = a_{n-1} + 7$[/tex]?A. [tex]$11, 18, 25, 32, \ldots$[/tex]B. [tex]$17, 24, 30, 38, \ldots$[/tex]C. [tex]$-9, -2, 4, 9

Who developed a theory of personality and a form of psychotherapy that focused on the inherent worth of people, the innate tendency of a person to strive toward

Select all the correct answers.Potatoes were not initially grown in Europe; however, they became a staple part of the European diet by the end of the century. W

4. [tex]\sqrt[2]{25^3}[/tex] equals:A. [tex]25^6[/tex] B. [tex]25^{\frac{3}{2}}[/tex] C. [tex]25^5[/tex] D. [tex]25^{\frac{2}{3}}[/tex]

Which best describes why making political allies is a key strategy for lobbyists?A. It places more pressure on lawmakers to vote a certain way.B. It increases t

Why might an employee contribute to an employer's retirement plan that offers matching contributions?A. To comply with mandatory regulations regarding retiremen

Vinnic is trying to modify a die by rounding off some edges. He is trying to increase the probability of rolling a 5. A) What is the probability of rolling a 5

bhoopendrasisodiya34 bhoopendrasisodiya34 · Answer 1 · 2022-03-09T07:08:33-05:00

The value of z score for the history class test of Opal’s test score is negative one (-1).

What is normally distributed data?

Normally distributed data is the distribution of probability which is symmetric about the mean.

The mean of the data is the average value of the given data. The standard deviation of the data is the half of the difference of the highest value and mean of the data set.

The z score for the normal distributed data can be given as,

[tex]Z=\dfrac{X-\mu}{\sigma}[/tex]

The mean value of the scores of history class is,

[tex]\mu=79[/tex]

The standard deviation value of the scores of history class is,

[tex]\sigma=7[/tex]

Here, the test score of the Opal’s is 72. Thus the z score for her test score can be given as,

[tex]z=\dfrac{72-79}{7}\\z=-1[/tex]

Hence, the value of z score for the history class test of Opal’s test score is negative one (-1).

Learn more about the normally distributed data here;

https://brainly.com/question/6587992

steviboi steviboi · Answer 2 · 2022-05-24T16:07:03-04:00

steviboi steviboi

24-05-2022

Answer:

Answer is A on edge

Step-by-step explanation:

Answer Link

Sagot :

What is normally distributed data?

Other Questions