Mathematics, 12.04.2021 18:10 carsengilbert

As been found that scores on the Writing portion of the SAT (Scholastic Aptitude Test) exam are normally distributed with mean 484 and standard deviation 115. Use the normal distribution to answer the following questions. (a) What is the estimated percentile for a student who scores 450 on Writing?

Round your answer to the nearest integer.

The estimated percentile for 450 is

(b) What is the approximate score for a student who is at the
th
percentile for Writing?

Round your answer to the nearest integer.

The
90th percentile is the score of

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Answers: 3

Answer

Mathematics, 22.06.2019 00:00

You are looking for your first credit card. you plan to use this credit card only for emergencies and to pay the credit card balance in full each month. which credit card feature is most important? a. no annual fee b. low apr c. generous rewards program d. no balance transfer fee select the best answer from the choices provided

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

Answers: 1

Answer

You know the right answer?

As been found that scores on the Writing portion of the SAT (Scholastic Aptitude Test) exam are norm...

Questions

Mathematics, 04.04.2020 22:54

A broker pays his salespeople 25 percent of the commission for listing a property and 40 percent of the commission for selling it. If the commis...

Mathematics, 04.04.2020 22:54

Solve for x. Write both solutions, separated by a comma. 5x^2 + 2x -- 7 = 0...

Mathematics, 04.04.2020 22:54

Factor the polynomial by factoring out the GCF. 6y^3 − 9y^2...