TEKS.MATH.9-12.V.B.1

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

• 68%
• 34%
• 16%
• 2.5%

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TEKS.MATH.7.6D

TEKS.MATH.9-12.V.B.1

When a coin is flipped, what is the probability of heads?

• 1
• 1/2
• 1/4
• 1/100

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TEKS.MATH.9-12.V.B.1

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

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TEKS.MATH.7.6E

TEKS.MATH.9-12.V.B.1

What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?

• 5/6
• 1/36
• 1/3
• 1/6

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TEKS.MATH.9-12.V.B

TEKS.MATH.9-12.V.B.1

6.5 CLT:  Red blood cell counts of women are normally distributed with a mean of 4.577 and a standard deviation of 0.382.  What percentage of women have red blood cell counts in the normal range from 4.2 to 5.4?

• 82.3%
• 77.8%
• 72.6%
• 68%

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TEKS.MATH.9-12.V.B.1

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)

• 2/9

• 1/3

• 1/2

• 1/4

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TEKS.MATH.9-12.V.B

TEKS.MATH.9-12.V.B.1

Roll a die one time. Find P(a number greater than 3 or odd).

• 0

• 1/2

• 5/6

• 1/6

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TEKS.MATH.9-12.V.B.1

Draw one card from a standard deck. Find P(ace of diamonds)

• 1/13

• 1/4

• 4/13

• 1/52

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TEKS.MATH.9-12.V.B.1

Draw one card from a standard deck. Find P(diamond)

• 8%

• 25%

• 31%

• 2%

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TEKS.MATH.9-12.V.B.1

Barry Bonds has a career batting average of .298 (He gets on base 29.8% of the time). What is the probability that he will get on base 6 times in 10 at bats?

• 3.58%

• 5.46%

• 22.67%

• 100%

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TEKS.MATH.9-12.V.B.1