Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q1) Daily attendance of economics class follows normal distribution with mean of 26 students and standard deviation of four students.
a) Determine the probability that attendance will be fewer than 24 students. SW
b) Determine the interval of X values that would result in middle 70% of the number of students in attendance in any arbitrarily selected economics class. SW
Q2) Downhill Ski Resort in Colorado has accumulated information from records of past 30 winters regarding measurable snowfall. This information is as follows:
Snowfall (in)
Frequency
0-19
2
20-29
7
30-39
8
40-49
50+
5
Total
30
a) Find out the probability of each event in this frequency distribution.
b) Are all the events in this distribution mutually exclusive? Describe in detail.
We are interested in comparing the proportions of males and females who think earning a large salary is very important to them. I surveyed 200 of each gender and recorded their answers to the question as yes or no.
What is the expected shape of the distribution of the sample mean?
Determine the probability the transmission will break down between 100,000 and 200,000 miles?
Explain the effect outliers can have on the analysis of the center of this data set. Based on the box-plot and histogram you created for problem 1, do there appear to be any outliers?
the probability that a household is both prosperous and educated is P (A and B) = 0.082. What is the probability P (A or B) that the household selected is either prosperous or educated.
What is the value of the population mean? What is the best estimate of this value?
Stating assumptions on which your arguments and conclusions are based, sum up the statistical evidence regarding effectiveness of this diet.
Roger has read a report that the weights of adult mail Siberian tigers have a distribution which is approximately normal with mean μ = 390 lb and σ = 65 lb.
The null hypothesis is the alternative is Use the given sample data to find out the P-value for the hypothesis test. Provide an interpretation of the P-value.
Use the binomial distribution formula to calculate the probability that:
The owner was interested in the mean time required to service this model, and decided not to carry the model if the mean repair time appeared to be more than 40 minutes.
What percentage of population scored between the mean and Jorge?
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd