Find students to expect to weigh at least pounds

Assignment Help Basic Statistics
Reference no: EM13120382

The weight of 100 college students closely follows a normal distribution with a mean of 131 pounds and a standard deviation of 5.9574 pounds. What percent of the students would you expect to weigh at least 145 pounds?

Reference no: EM13120382

Questions Cloud

Calculate the diameter of a round swimming pool : A. Epinephrine, C9H13NO3, has a concentration of 10-10 M in circulating blood. Calculate the diameter of a round swimming pool with a water depth of 2.0 M that would be needed to dissolve 1.0 g (about a teaspoon) of epinephrine.
Write down several of your own personal statuses : Write down several of your own personal statuses. Explain which one's are ascribed statuses and which one's are achieved statuses. Also, for each status that you describe, please explain what role expectations go along with that particular status.
What volume of o2 is required : CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
Find what is the probability that the number of damaged cars : It is known that 20% of old cars cannot pass the emission test . Four old cars are selected randomly . x is the number of card in the sample that cannot pass the emission test.
Find students to expect to weigh at least pounds : Normal distribution with a mean of 131 pounds and a standard deviation of 5.9574 pounds. What percent of the students would you expect to weigh at least 145 pounds?
Specific aspect of your experience with language : Writing Project 4 Essay: Write a paper in which you discuss some specific aspect of your experience with language. Analyze some way or ways in which words have affected you. (More details can be found on page 196 of the text.)
Difference between actual and planned results : Policies regarding when a difference between actual and planned results should be investigated are generally more restrictive for non controllable items than for controllable items.
Find what is the probability that the number of calls : A company uniformly receives 20 phone calls from 9am -7 pm What is the probability that the number of calls between 12 :00 and 1:00 will be:
Illustrate what is the acceleration of the object : The coefficients of static and kinetic friction between a 67 kg box and a horizontal surface are 0.56 and 0.32, respectively. Illustrate what is the acceleration of the object if a 335 N horizontal force is applied to the box?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis test-difference between two means

Difference in the mean number of times men and women order take-out dinners in a month? What is the p-value?

  Find probability invoices written contain errors

To check this theory, 20 invoices are randomly selected and 5 are found to have errors. What is the probability that of the 20 invoices written, five or more would contain errors if the theory is valid?

  Margin of error in claim majority

Suppose a recent poll of 1,000 people sets forth that 51% of Americans support the U.S. government's "War on Drugs." This poll is shown to have a margin of error of 2%.

  Finding critical z value

Find the critical value z that corresponds to the given confidence level of 90%.

  Coincidence and probability

The Spanish patients, two men and two women, were elderly and very ill. All four had undergone routine dialysis at the Hospital de la Princesa.

  Factors influencing value of t-statistic

Several factors influence the value obtained for a t statistic. Some factors affect the numerator of the t statistic and others influence the size of estimated standard error in the denominator.

  Computing probability of debt for randomly selected borrower

Compute the probability that debt for a randomly selected borrower with good credit is more than $18,000?

  Sampling required to estimate mean speed

How large a sample is required to estimate the mean speed with a margin of error equal to 2 miles per hour with 90% confidence?

  Correlation and testing the significance of correlation

A Correlation matrix (correlation, coefficients and probability level under the hypothesis rho = 0) for a company's sales force (age, years of service, and current sales) is given below. Comment.

  Determine probability using binomial distribution

A population consists of ten items, six of which are defective. In a sample of three items, what is the probability that exactly two are defective?

  How many different starting lineups are possible

Three scholarships are available for students.  Their values are: $2,000, $2,400, $3,000.  Twelve students have applied and no student may receive more than one scholarship.  Assume all twelve students are in needs of the funds, how many different..

  Regression analysis of depression data

A University Counseling Clinic is interested in predicting the levels of depression from the number of social events attended per week by a sample of their clients. The data are below:

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