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!
1) Pulte homes is developing two parcels near Medical Center in Houston, TX. In order to test different advertising approaches, they use different media to reach potential buyers. The mean annual family income for 85 customers making inquiries at the first development is $170K, with standard deviation of $45K. A corresponding sample of 110 customers at the second development had a mean of $190K, with standard deviation of $35K. At the 0.05 significance level, can pulte homes conclude that the population means are different?
2) A random sample of 30 observations from the first population revealed a sample mean of 305 and a sample standard deviation of 18. A random sample of 23 observations from the second population revealed a sample mean of 319 and a sample standard deviation of 25. At the 0.05 significance level, is there a difference in the population mean?
Dating In Chances- Risks and Odds in Everyday Life, James Burke claims that about 70 percent of all single men would welcome a woman taking the initiative in asking for a date. A random sample of 20 single men was asked if they would welcome the woma..
a) Find the marginal density of Y. b) Find E(X) HINT: What is E (X|Y=y) ?
A smuggler places 3 narcotic tablets in a bottle of 21 vitamin pills for a total of 24 pills. If U.S. customs tests 2 pills at random what is the probability that at least 1 narcotic pill will be found?
The retail price of 12-pack soda can be characterized as having a normal distribution with a mean of 3.00 dollars and a standard deviation of 0.25. Below what price do you find 30 percent of all 12-packs?
A biased coin with probability of head being .6 is tossed 12 times. What is the probability that number of head would more than 4 but less than or equal to 10.
Critically discuss understanding the normal distribution and the factors that affect its shape important in solving business and marketing-related questions?
What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws and find the greatest standard deviation,
In a sample of 12 bank tellers at a local branch office, the 7 tellers who have completed the advanced training program offered by the bank have a lower average error rate in the processing of transactions than the remaining 5 tellers.
Comparing the experimental and theoretical probabilities, can you say the die used in this experiment is a fair die? Why or why not?
A Variable has a mean of 100 and a standard deviation of 16. Four observations of this variable have a mean of 108 and a sample standard deviation of 12. Test whether the sample has been drawn from the population.
Explain the concept of risk analysis and how monte carlo simulation can provide useful information for making decisions.
The number of widgets produced by 9 employees in an eight hour shift is recorded as: 135, 120, 116, 119, 121, 125, 135, 131, 123. What is the median of the number of widgets produced presented above?
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