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Identify the sampling method. You want to find how many students use public transportation. You interview every fifth teenager you see exiting a movie theater.
A. random
B. systematic
C. stratified
D. none of these **Weegy:** C. stratified (More)

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Asked 7/3/2012 9:42:31 AM

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You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P($10 then $1).
A. 1/12
B. 5/81
C. 5/72
D. 2/27 **Weegy:** C. 5/72 (More)

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Updated 6/9/2014 12:31:34 PM

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You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P($10 then $1).

P($10 then $1) = 2/9*3/8 = 6/72 = 1/12

P($10 then $1) = 2/9*3/8 = 6/72 = 1/12

Added 6/9/2014 12:31:31 PM

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The back-to-back stem-and-leaf plot below show exam scores from two different math classes. Which class has a greater mean score? Which class has a greater median score?
A. greater mean = class A greater median = class A
B. greater mean = class B greater median = class B
C. greater mean = class B greater median = class A
D. greater mean = class A greater median = class B **Weegy:** C. greater mean = class B greater median = class (More)

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Asked 7/3/2012 9:52:36 AM

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Simplify the product using the distributive property.
(-4h +2)(3h +7)
A. -12h2 - 22h + 14
B. -12h2 - 34h - 14
C. -12h2 + 34h - 14
D. -12h2 + 22h + 14

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Updated 6/11/2014 5:23:22 PM

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PSI, a financial services consultant, estimates that over _____ million U.S. households have a net worth in excess of $1 million.
A. 4
B. 5
C. 10
D. 20 **Weegy:** PSI, a financial services consultant, estimates that over 4 million U.S. households have a net worth in excess of $1 million. (More)

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Updated 6/9/2014 12:25:39 PM

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