m2akayleebramarshm m2akayleebramarshm

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 :

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

Otras preguntas

A pizza with 2 toppings from Maria's Pizza Place costs $11.00.A pizza with 5 toppings from Maria's Pizza Place costs $14.75.Each topping at Maria's Pizza Place

If y^8= 4 and y^7=3/x, what is the value of y in terms of x?

Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross

the rectangles on a quilt are 2in. wide and 3in. long the perimeter of each rectangle is made by pattern of ref thread. if there are 30 rectangles in the quilt,

Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross

how do you figure out what is 1/4 of 10.

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?

What caused the rise of military government in Japan?

Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines

The sales tax rate is 8%. Estimate the tax on a jacket that costs $69.95.