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Probability: Credit CardCredit card companies have aggressively solicited new accounts from students who are new homeowners. Suppose that a sample of 150 new homeowners indicated the following information as to whether they possessed a Visa Card or an American Express Card.
American Express CardYes | No | TotalYes 60 | 40 | 100Visa Card No 20 | 30 | 50Total 80 | 70 | 150
If a student is selected at random, what is the probability that
a. The new homeowner has a Visa credit card?
b. The new homeowner has an American Express card?
c. The new homeowner has a Visa credit card and an American Express Card?
d. The new homeowner has neither a Visa credit card nor an American Express Card?
e. The new homeowner has a Visa credit card or an American Express Card?
Only two pupils take all the four subjects. Draw a Venn diagram and use it to find how many pupils take neither Physics nor Chemistry.
The slope of tangent line
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find the probability based on normal distribution
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use a suitable method for generating the number of days needed to repair the copier, when it is out of service, according to the discrete distribution shown and Using simulation estimate the loss of revenue due to copier breakdown for one year
Find the probability of Type I error
Find the p value and at 0.07 level of significance, test above hypothesis.
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