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 survey was conducted at a local high school to determine the number of hours that a student studied for the final Math504 exam. To achieve a normal distribution, 325 students were surveyed. The results showed that the mean number of hours spent studying was 4.6 hours with a standard deviation of 1.2 hours.
a) Draw a normal curve showing all the values (hours studying) at Z1, Z2, Z3
b) How many students studied between 2.2 hours and 7 hours?
c) What percentage of the students studied for more than 5.8 hours?
d) Harry noticed that he scored a mark of 60 on the Math504 exam but studied ½ hour. Is Harry a typical student?
Problem based on decision tree - Evaluate the strategy that maximizes the manufacturer's expected net earnings.
A random sample of 80 voters found that 44% were going to vote for a certain candidate. Find the 90% limit for the population proportion of voters who will vote for that candidate?
A random sample of 20 students obtained a mean of x = 72 and a variance of s2 = 16 on a college placement test in mathematics. Assuming the scores to be normally distributed, construct a 98% confidence interval for sigma^2.
according to a study published by a group of sociologists at the university of massachusetts approximately 49 of the
as we all know correlation does not imply causation. on other words if x and y are correlated it doesnt necessarily
The advertising agency promoting the new Keem dishwashing soap wants to get the best exposure possible for the product within the $100,000 advertising budget ceiling placed upon it.
In study of a clinical for an allergy drug 115 of the 204 subjects reported experiencing important relief from their symptoms.
an ordinary dice was thrown 50 times and the resulting scores were summarised in a frequency table. the mean score was
An unpooled variance t-statistic, if appropriate, would have 7 degrees of freedom. Calculate the value of an appropriate test statistic. Construct the rejection region.
An order for 5 pizzas has just been place. What is the minimum number of pizzas that must be made in order to be at least 99% sure that there will be 5 that are edible?
On what method is the Excel based calculator that you have provided based on (Exact, Score, Wald, Adjusted Wald). Also, what method is the calculation in Minitab based on?
a random sample of 35 gmat scores for applicants to an mba program has a mean score of 479. the researcher is
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