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1. A club has 8 members.
(a) How many di?erent committees of 3 members each can be formed from the club? (Two committees are di?erent even when only one member is di?erent.)
(b) How many committees of 3 members each can be formed from the club if each committee is to have a president, a treasurer, and a secretary?
Does this system provide better or poorer service compared to the original system? Discuss any differences and the reason for these differences.
Find a 95% confidence interval for the proportion p of the inner-city, working-class group who eventually became alcoholics.
The annual salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience.
What is the probability of selecting a family that has either a visa card or an american card? 2. if a family has a M/C, what is the probability that it has a visa cardd? 3. If a family has a visa card, what is the probability Have to show work in ex..
write the null for this the average hemoglobin at admission less than 12.5. is the mean enrollment hemoglobin for males
The graduates find a job within 1 year of graduating. What is the probability that among 9 randomly selected graduates, at least 1 finds a job within 1 year.
question a study recently reported that the average age of a female shareholder is 44 years. a broker in adelaide wants
question the u.s. energy information administration releases figures in their publication monthly energy review about
Construction of histogram and pie chart for continuous data
Find the probability that a given mouse will live. a. more than 32 months b. less than 28 months c. between 37 and 49 months.
Then explain your answer to someone who has never had course in statistics (but who is familiar with mean, standard deviation, and Z scores.)
a new extended-life light bulb has an average service life of 770 hours with a standard deviation of 51 hours. if the
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