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Biblioteka

8-6 Check for Understanding

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Posljednje ažuriranje about 3 years ago
17
1
Pitanje 1
1.

If a trip is selected at random, what is the probability that customers did not see dolphins on that trip? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

1
Pitanje 2
2.

If a trip is selected at random, what is the probability that customers did not see dolphins under the condition that the trip was in the morning? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

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Pitanje 3
3.

The events of seeing dolphins and the time of the trip are probably P(morning trip).

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Pitanje 9
9.

Andre flips one fair coin and then flips another fair coin. What is the probability that he gets heads on both coins? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

1
Pitanje 10
10.

Andre flips one fair coin and then flips another fair coin. What is the probability that he gets heads on the second coin under the condition that the first flip is heads? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

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Pitanje 11
11.

Andre flips one fair coin and then flips another fair coin. What is the probability that the second flip is not heads? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

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Pitanje 13
13.

Han randomly selects a card from a standard deck. He places it on his desk and then Jada randomly selects a card from the remaining cards. What is the probability that Han selects a card that has diamonds on it? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

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Pitanje 14
14.

Han randomly selects a card from a standard deck. He places it on his desk and then Jada randomly selects a card from the remaining cards. The probability that Jada selects a card with a diamond on it depends on whether Han selected a diamond. The probability that Jada selects a diamond is either or ? (Answer with a simplified fraction.)

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Pitanje 15
15.

Han randomly selects a card from a standard deck. He places it on his desk and then Jada randomly selects a card from the remaining cards. What is the probability that Han selects a card that has diamonds on it and that Jada selects a card that has diamonds on it? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

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Pitanje 16
16.

The events of Han and Jada randomly selecting a card are

Pitanje 7
7.

What is the probability that a person from the survey chosen at random is right-handed under the condition that they are right-eye dominant?

Pitanje 8
8.

Priya flips a fair coin and then rolls a standard number cube. What is the probability that she rolled a 3 under the condition that she flipped heads?

Pitanje 12
12.

Andre flips one fair coin and then flips another fair coin. What is the probability that the first flip is heads and the second flip is not heads? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

Pitanje 17
17.

An agriculturist takes 50 samples of soil and measures the levels of nitrogen and phosphorus. In 46% of the samples nitrogen levels are low and in 28% of the samples the phosphorus levels are low. In 10% of the samples both the nitrogen and phosphorus levels are low. What percentage of samples have nitrogen levels or phosphorus levels that are low? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)