A college student takes a standardized test and scores a 163. if the mean is 155 and the standard deviation is 7, what is the student's percentile rank

Question

01-06-2017
Mathematics

contestada

A college student takes a standardized test and scores a 163. if the mean is 155 and the standard deviation is 7, what is the student's percentile rank

Respuesta :

Otras preguntas

Amy thinks of three numbers, which she calls a, b and c. The ratio a: cis 4: 3. The ratio b: cis 7:5. The median of a, b and c is 80. Work out the values of a,

On a game show, the first place winner got cash and prizes worth a total of $4,622.00. The runner-up won a total of $2,541.00. How much more did the first place

simplify fully 40/56

Evaluate the expression 8 x 1. 5

simplify fully 40/56

anyyyy girrllll online hereeeere m soo bored

at the market opening, a customer purchases 200 shares of an S&P 500 inverse etf (-1x) at $50 per share. At the end of that day, the s&P 500 index decli

A group is selling chocolate-covered pretzels for 6 dollars per container and kettle corn for 8 dollars per container. They want to sell at least $2,800 in item

A marathon had 618 runners registered. Of these runners, about 0.8% completed the race in under 2 h 15 min. a) How many runners completed the race in this time?

LammettHash LammettHash · Answer 1 · 2017-06-01T18:43:20+02:00

LammettHash LammettHash

01-06-2017

[tex]\mathbb P(X\le163)=\mathbb P\left(\dfrac{X-155}7\le\dfrac{163-155}7\right)\approx\mathbb P(Z\le1.1429)\approx0.8735[/tex]

which puts the student at about the 87th percentile.

Answer Link