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Q1) An urn contains 12 balls identical in every respect except their colour. There are three red balls, seven green balls, and two blue balls. You draw two balls from urn, but replace first ball before drawing the second. Determine the probability that first ball drawn is red and the second ball drawn is green.
Q2) Ann is applying for bank loan to open a pizza franchise. She should first complete a written application and then, if written application is approved, be interviewed by bank officers. If applicant's written application is not accepted applicant is not granted interview with the bank officers. Past records for this bank illustrate that probability of applicant having his or her written application approved is 0.63. Records also point to that interviewing committee of bank officers approves 85% of individuals they interview. Determine probability that Ann's loan request is approved.
Q3) A restaurant menu has price-fixed complete dinner which consists of appetizer, entrée, beverage, and dessert. You have selection of 5 appetizers, 10 entrees, 3 beverages, and 6 desserts. How many possible complete dinners are possible?
(a) Use the steps of hypothesis testing, (b) figure the effect size for the study; and (c) explain your answers to (a) and (b) to someone who has never had a course in statistics.
Using the data for women, complete an analysis of CHD incidence in women similar to the one completed for men.
Find out the probability distribution of blood types by gender in the group of 1000 individuals.The table below gives the distribution of blood types by gender in a group of 1000 individuals.
A loan application is received this morning. What is the probability that:
Develop a mathematical programming model and solve. Discuss your results [total profits, total costs, etc].
Develop a joint probability table for these data. If a student goes full time, determine the probability that school quality is first reason for selecting a school?
Find out the mean number of letters that will arrive in two days.
They wish to conduct a survey of their students and find a simple random sample of 50 Freshmen, 40 Sophomores, 35 Juniors, and 30 Seniors.
If p is the probability of Event 1 and (1-p) is the probability of Event 2, based on the expected returns, for what values of p would you select A? B? C? Values in the table are payoffs.
The probability that a bomber hits a target on a bombing mission is 0.700. Three bombers are sent to bomb a particular target.
determine if the improvement is of practical significance one should. Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is x' = 130 bushels per acre
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours
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