Standard Normal Distribution

Task:
 Select one of the real-life scenarios listed below and find the indicated probabilities using the Standard Normal Distribution. Show work and explain how you found the indicated probabilities to your classmates.
Scenario 1: A survey was conducted to measure the height of US males. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with mean of 69.2 inches and a standard deviation of 2.9 inches. A study participant is randomly selected.
 (a) Find the probability that his height is less than 66 inches. (b) Find the probability that his height is between 66 and 72 inches. (c) Find the probability that his height is more than 72 inches.

Scenario 2: The monthly utility bills in a certain city are normally distributed, with mean of $100 and a standard deviation of $12. A utility bill is randomly selected.
 (a) Find the probability that the utility is less than $80. (b) Find the probability that the utility is between $80 and $115. (c) Find the probability that the utility is more than $115 inches.

Answer Detail

Get This Answer

Save Time & improve Grades

  • Questions Asked 685125
  • Experts 5362
  • Total Answered 659177

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Our Amazing Features

  • Plagiarism Free Work

    Our experts provide 100 % original and customized work On time Delivery

  • 24*7 Customer Support

    We provide 24*7 online customer supports via online chat or email

  • Cover All Subject

    JQA is one stop solution for all subject’s Assignment. We can provide assignment help for almost all subjects.

  • Best Industry experts

    We have 1000+ PHD and Post Graduate experts.

Refer Just 5 Friends to Earn More than $1000

  • Your Approx Earning

    USD 2350/year

Your Custom Referral Link:

Hire a tutor

Assignment hero

USA

I am an experienced tutor of 7+ years in all math, physics, and Spanish, SAT, and ACT tutoring. I love working with students and seeing them improve on and grasp concepts!

Guru

USA

Need help in Maths and science ? Look no further . contact me so i can help you . i have been a academic tutor for 10 years . Hire me for help in assignments.

Vikas

USA

After 13 years of working with students across the country, we have the experience and knowledge to provide the best possible academic support for your academics.

Rgaurav

India

I have experience teaching AP Calculus AB and BC, Algebra I, Algebra II, Trigonometry, SAT Math Preparation, and Geometry. I have tutored students ranging from 8th grade to college students.

Invite Tutor