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!
A population of 1000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken.
a) what are the expected value, standard deviation and shape of the sample mean?
b) What is the probability that these 64 students will spend a combined total of more than $712.21?
c) What is the probability that these 64 students will spend a combined total between 703.59 and $728.45?
Set up the null and alternative hypotheses, and perform the hypothesis test with a significance level of 0.05.
Find a 99% confidence interval for the population mean number of weekly miles.
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
Any analysis required to check the required conditions (note that if you find that you cannot meet the required conditions for the test you expected to do, you must use the appropriate non-parametric test)
Solve the equations using linear algebra
Finding the probability of sample and describe the sampling distribution of the sample means.
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location.
Based on the information, what decision should the director make about the books used for the courses if the goal is to keep the cost below $300?
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
A random sample of 48 managers of large hotels has mean X‾= 5.91. The null hypothesis for the researcher's test is?
Rank the funds by using this alternative measure of risk. Which, if any outperformed the market on the risk-adjusted basis.
A hypothesis test is to be used to help determine if there is a difference between the proportion of 2 year college students and private university students that work at least 20 hours per week.
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