What is the probability that a randomly seleccted individual

Assignment Help Basic Statistics
Reference no: EM132361787

The distribution scores for persons over 16 years of age on the wechsler adult intelligence scale (WAIS) is approximately normal with mean 100 and standard deviation 15. The WAIS is one of the most common "IQ test" for adults.

A. What is the probability that a randomly seleccted individual has WAIS score of 100 or lower?

B. What is the probability that a randomly selected individual scores of at most 120 on the WAIS?

C. What is the probability that a randomly selected individual has WAIS score between 107 and 198?

D. What is the probability that the average WAIS score of 40 people is atleast 106?

Reference no: EM132361787

Questions Cloud

What is the probability that at least 100 pitchers : What is the probability that at least 100 pitchers are ordered in a three-hour period? What is the chance that the time between ordered pitchers
Standard deviation of rods : The mean diameter of a rod is 1 inch. What should the standard deviation of rods equal for 99 percent of rods to meet the specifications?
What is the standard error if the sample size is 30 : Given that the population of quarters has a mean weight of 5.76g and standard deviation of 1.34g, what do you know about the mean of the sample means?
Merkle tree : Besides the Merkle Tree - a data structure, the other essential component of the Original Bitcoin White Paper, is the cryptographic aspect.
What is the probability that a randomly seleccted individual : What is the probability that a randomly seleccted individual has WAIS score of 100 or lower?
What is the probability that the average of 4 babies : What is the probability that the average of 4 babies weights will be within 0.6 pounds of the mean, will be between 8.4 and 9.6 pounds.
Preparing organization against terrorist attacks : Using a web browser, search for information related to preparing an organization against terrorist attacks. low-level radio-logical contamination attacks.
What is the probability that she gets at least one a : If her performance in each of the two courses is independent of the other, what is the probability that she gets at least one A?
Difference between research and quality improvement : Describe the difference between research and quality improvement. Provide a workplace example where qualitative and quantitative research is applied

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd