6 Canada has two official languages English and French Choos

6. Canada has two official languages, English and French. Choose a Canadian at random and ask, \"What is your mother tongue?\" Here is the distribution of responses, combining many separate languages from the broad Asian/Pacific region:

What probability should replace \"?\" in the distribution?
____________?

% Round to the nearest 0.01%

What is the probability that a Canadian\'s mother tongue is not English?
_____________?

% Round to the nearest 0.01%

7. Here is the probability model for the blood type of a randomly chosen person in the United States.

Maria has type B blood. She can safely receive blood transfusions from people with blood types O and B. What is the probability that a randomly chosen American can donate blood to Maria?

________________%

8.Here is the probability model for the blood type of a randomly chosen person in the United States.

What is the probability that a randomly chosen American does not have type O blood?
_______________?

% Round to the nearest 0.01%

9. In a table of random digits such as Table B, each digit is equally likely to be any of 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9.

What is the probability that a digit in the table is a 0?
__________?%

10.In a table of random digits such as Table B, each digit is equally likely to be any of 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9.

What is the probability that a digit in the table is 3 or greater?

___________%?

11. Assume that event A occurs with probability 0.38 and event B occurs with probability 0.36. Assume that A and B are disjoint events.

The probability that either event occurs (A or B) is ______%

Solution

What probability should replace \"?\" in the distribution?
0.29%

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What is the probability that a Canadian\'s mother tongue is not English?

) P(not English) = 1 ? 0.51 = 0.49,

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Here we can use the addition rule for disjoint events to

calculate P(O or B) (why?) P(O or B)

= P(O) + P(B) = .55 + .02 = .57

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