20191107_120623.jpg - Sketch and label each of the following Then answer each of the questions The IQ scores of seventh graders is normally distributed

20191107_120623.jpg - Sketch and label each of the...

This preview shows page 1 out of 1 page.

Image of page 1

Unformatted text preview: Sketch and label each of the following. Then answer each of the questions. The IQ scores of seventh graders is normally distributed with a mean of 111 with a standard deviation of 1 1. 89- 133 b) What percentage of IQ scores all seventh graders are less than 100? c) What percentof all seventh graders have IQ scores above 144? A sample of 75 students in a rural sch none had scored above 144. Does this surprise you? Why? 0. 15 90. Does not surprise me because in order to get a score above 14 it would be - 79009 students and it's seen a small school it would be incredi The length of human pregnancies is normally distributed with a mean of 266 days and a a standard deviation 16 days. 0.159/ 2. 354/ 13. 590 349 /3406 13.510 / 2. 356 0175 40 218 234 250 266 282 298 314 a) Between what values do 99:7% of all pregnancies fall? 218 - 314 b) How long are the longest 2.5% of all pregnancies? The distribution of young men's heights is normally distributed with a mean of 70 inches and a a standard deviation of 2.5 inches. a) What percent of men are taller than 77.5 inches? b) Between what heights do 68% of young men fall? 67.5- 72 5 Inches c) What percent of young men are shorter than 65 inches? 2. 56 Over...
View Full Document

  • Spring '15
  • MichelleDuda

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern

Ask Expert Tutors You can ask 0 bonus questions You can ask 0 questions (0 expire soon) You can ask 0 questions (will expire )
Answers in as fast as 15 minutes