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A construction company orders 2900 new light bulbs for a new office building. If the probability of a light bulb being defective is 1.9%, predict how many of the light bulbs are likely to be defective. Round your answer to the nearest whole number.
A. 55 light bulbs
B. 69 light bulbs
C. 46 light bulbs
D. 551 light bulbs

Weegy: A. seek alternatives to the Articles of Confederation (More)

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Updated 7/4/2012 1:09:12 PM

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Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).
A. 4/3
B. 2/3
C. 7/9
D. 4/27

Weegy: C. 7/9 (More)

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Updated 73 days ago|6/9/2014 12:28:10 PM

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Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).

P(red and blue) = 4/9*3/9 = 12/81 = 4/27

P(red and blue) = 4/9*3/9 = 12/81 = 4/27

Added 73 days ago|6/9/2014 12:28:06 PM

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 73 days ago|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 73 days ago|6/9/2014 12:31:31 PM

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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