subject
Mathematics, 28.11.2019 00:31 gabrielolivas59

Reagan scores 1140 on the sat. the distribution of sat scores in reference population is normally distributed with mean 1000 and standard deviation 100. jessie scored 30 on the act. the distribution of act scores in reference population is normally distributed with mean 17 and standard deviation 5. who performed better on the standardized exams and why?

a. reagan scores higher than jessie. reagan’s score was 1140, which is greater than jessie’s score of 30

b. reagan’s scores higher than jessie. reagan’s standardized score was 1.4, which is 1.4 standard deviations above the mean, but closer to the mean than jessie’s standardized score of 2.6 standard deviations above the mean.

c. reagan scores higher than jessie. reagan’s score was 140 points above the mean of 1000, and jessie’s was 13 points above the mean of 17.

d. jessie scored higher than reagan. jessie’s standardized score was 2.6, which is 2.6 standard deviations above the mean and reagan’s standardized score was 1.4, which is 1.4 standard deviations above the mean.

e. jessie scored higher than reagan. jesus is only 6 points from the top score of 36 on the act, and reagan is 460 points from the top score of 1600 on the sat.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.
Answers: 1
question
Mathematics, 21.06.2019 16:40
You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?
Answers: 1
question
Mathematics, 21.06.2019 17:00
Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."
Answers: 2
question
Mathematics, 21.06.2019 20:00
What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )
Answers: 1
You know the right answer?
Reagan scores 1140 on the sat. the distribution of sat scores in reference population is normally di...
Questions
question
Mathematics, 28.09.2021 18:40