statistics/normal distribution

Find the area of the shaded region.The graph to the right depicts IQ scores of Adults (85-120), and those scores are normally distributed with a mean of 100 and a standard deviation of 15

  1. 👍 0
  2. 👎 0
  3. 👁 558
  1. you can play around a lot with Z table stuff here:

    http://davidmlane.com/hyperstat/z_table.html

    1. 👍 0
    2. 👎 0
  2. Another method:

    Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the two Z scores.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra

    Click on "Explain" if you need help. A dart hits the circular dartboard shown below at a random point. Find the probability that the dart lands in the shaded square region. The radius of the dartboard is 5in, and each side of the

    asked by Cameron on August 9, 2017
  2. math

    A rectangle is removed from a right triangle to create the shaded region shown below. Find the area of the shaded region. Be sure to include the correct unit in your answer.

    asked by Anonymous on August 31, 2016
  3. calculus

    Consider the following shaded region. Find the area S of this region if a = 6, b = 3. (Give an exact answer.) The two graphs intercept at 0 and the other limit is not given. The integral is int(ax-x^2)-(bx. So y=ax+x^2 is the

    asked by aimee on February 12, 2010
  4. calculus

    Find the area of the shaded region. r^2=sin(2θ).

    asked by alex on May 5, 2017
  5. statistics finding the shaded region

    Find the area of the shaded region. The graph depicts the IQ score of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The shaded region numbers are 85-120

    asked by Kelli on December 11, 2014
  1. calculus

    Find the volume of the solid generated by revolving the region about the given line. The region in the second quadrant bounded above by the curve y = 16 - x2, below by the x-axis, and on the right by the y-axis, about the line x =

    asked by Tiffany on April 12, 2013
  2. Calculus

    The following definite integral gives the area of the region between the graph of the function f(x) = Icosx - x^2I (I=modulus), the x-asis, and the lines x=-2 and x=2. the integral of mod cosx - x^2 from -2 to 2. Describe a

    asked by Alex on May 19, 2015
  3. Math

    A carpet company uses the template to design a rug. Write an expression for the area of the shaded region as it relates to the variable length x answer. The shaded square has a white square within it. On the outside of the shaded

    asked by Stacy on January 4, 2018
  4. statistics- one quick question please :)

    the graph shows a non standard normal distribution curve with a mean of 59.0 and a standard deviation of 6.7. Find the area of the shaded region. *there's a picture of the curve, the shaded region is labeled with the value 64.2

    asked by sid on February 11, 2019
  5. GEOMETRY

    the correct half–plane in each case, Y>3 I AM TRYING TO GRAPH THIS I HAVE THE LINE THROUGH THE LINE THREE ABOVE THE X GOING STRAIGHT ACROSS WHAT ELSE DO I NEED TO DO I KNOW I NEED TO SHADE ONE SIDE OR THE OTHER BUT HAVE NOT BEEN

    asked by Amanda on April 8, 2007
  6. math

    _______7m______ |\ / | | \ 2.8m 2.8m / | | \ / | | n \ / | | / \ n | | / \ | | / \ | / 2.8m 2.8m \ | ____________ \ | Find the area of each shaded region( n not shaded). Assume that all angles that appear to be right angles are

    asked by Dani on November 16, 2010

You can view more similar questions or ask a new question.