User Account

All Pages

Normal distribution with a mean

Assignment Help Basic Statistics
Reference no: EM131936260

Assume the speed of a bus on a certain road has an approximately normal distribution with a mean 55 mph and a standard deviation σ=10 mph. What is the probability that buses on this road will be going faster than 70 mph? Tip: Follow the same steps as in #2, but remember: P(z>a) = 1 - P(z<a) Show work.

Reference no: EM131936260

Questions Cloud

Analyze the fraternities and sororities : Provide a conclusion that discusses which perspective you think is most applicable to the issue or how the three perspectives complement.
Create a business budget sheet : Create a business budget sheet using Microsoft® Excel®. In the budget sheet, do the following: List the make and model of desired hardware devices.
Determining the normal distribution : Normal distribution has mean µ=200 and a standard deviation s = 50. Sample of n = 64 were selected. What is the probability that the sample mean
How does model contribute to a culture of quality and safety : Evaluate each of the models and select two on which to focus for this Discussion. How does the model contribute to a culture of quality and safety?
Normal distribution with a mean : Assume the speed of a bus on a certain road has an approximately normal distribution with a mean 55 mph and a standard deviation s=10 mph.
Prepare a presentation for a group of physicians : Prepare a presentation for a group of physicians who are seeking your opinion on the treatment of patients with these disorders
Complete the course design to include learner objectives : You will complete the course design to include learner objectives, outline, teaching strategies, and associated evaluation, and method.
Contact in order to classify an estimate : How many randomly selected employers must we contact in order to classify an estimate in which we are 98% confident, with an error of 5%?
Confidence interval for the population proportion : In a survey of 3497 ?adults, 1485 say they have started paying bills online in the last year. Construct a? 99% confidence interval for the population

Reviews

Write a Review

Basic Statistics Questions & Answers

  Solving problem related to the wind power

Wind power. Should you generate electricity with your own personal wind turbine? That depends on whether you have enough wind on your site.

  Joint and marginal probability mass functions

A fair coin is tossed four times and X is number of heads on first three tosses and Y on last three. What is the joint probability mass function of x and y? What is the marginal pmf? Are X and Y independent?

  Iq score in the sample

If a random sample of 16 adults is selected, find the probability that the average IQ score in the sample will be at least 92.5.

  Working with sampling distribution and probability

A southern state has an unemployment rate of 6%. The state conducts monthly surveys in order to track the unemployment rate. In a recent month, a random sample of 700 people showed that 35 were unemployed.

  Alternative hypothesis for a null hypothesis

What is the alternative hypothesis for a null hypothesis stating that the average time a person keeps a cell phone is, at most, three years?

  What is the interquartile range

Find the lower, middle, and upper quartiles of this data set. Also find the 10th, 15th, and 65th percentiles. What is the interquartile range?

  Test of hypothesis for difference in proportions

A random sample of 200 workers from Factory A showed that 130 were satisfied with their job. Formulate and test the appropriate hypotheses at the 1% level of significance

  Calculate the breast cancer rate across countries

Researchers have shown that there is a positive correlation between average fat intake and the breast cancer rate across countries.

  Find the probability that general motors will have

Find the probability that General Motors will have the largest market share for SUVs in the coming quarter.-  Find the probability that Toyota will have the largest market share for SUVs in the coming quarter.

  Calculate the number of ivy league graduates

Calculate the expected value and standard deviation of the number of Ivy League graduates who could fill these positions.

  Algorithm for the traveling salesman problem

Consider the rollout algorithm for the traveling salesman problem using as base heuristic the nearest neighbor method, whereby we start from some simple path and at each iteration, we add a node that does not close a cycle and minimizes the cost o..

  Find the mean and standard deviation for the normal

find the mean and standard deviation for the normal distribution where 50 of the data falls between 73.25 and 86.75.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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