QUIZ 3 MATH 3339 - Print Test 12:25 PM PRINTABLE VERSION Quiz 3 You scored 93 out of 100 Question 1 Your answer is CORRECT Given the following sampling

QUIZ 3 MATH 3339 - Print Test 12:25 PM PRINTABLE VERSION...

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7/27/16, 12 : 25 PM Print Test Page 1 of 8 PRINTABLE VERSION Quiz 3 You scored 93 out of 100 Question 1Your answer is CORRECT.Given the following sampling distribution:X-16-11-4420P(X)7/1007/1001/203/100___What is P(X = 20)? a) 0.78b) 0.20c) 0.77d) 0.79e) 0.80f) None of the above Question 2Your answer is CORRECT.Given the following sampling distribution:X-19 -12 -51115P(X)1/252/251/507/100___What is P(X > -12)?
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7/27/16, 12 : 25 PM Print Test Page 2 of 8 Question 3Your answer is CORRECT.Given the following sampling distribution:X-16 -13 -71114P(X)2/251/252/257/100___What is the mean of this sampling distribution? Question 4Your answer is CORRECT.A store sells only two brands of sofas. One of the brands is currently advertised as on sale. Theadvertisers know that out of the people who come to the store to buy a sofa, every 1 out of 3 will buy themore expensive brand as opposed to the one in the sale advertisement. Let X = price of next sofa sold.What is the expected price of the sofa (E[X]) if the advertised sofa is $200 and the more expensive sofa is$375?
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7/27/16, 12 : 25 PM Print Test Page 3 of 8
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