题目
英语翻译
1.x05In a wildlife refuge,the probability of encountering a moose during a fall day is 75%.
a)x05What is the probability of encountering a moose on the first day and not encountering one the following day
b)x05What is the probability of not encountering a moose during a 3 day stay at the wildlife refuge
c)x05Do the events involved in this situation consist of unrelated events or related events explain your answer
2.x05For each of the following pairs of events A and B,indicate whether the events are dependent or independent.
a)x05A:obtaining 3 when a die is rolled
B:obtaining 4 when this die is rolled a second time.
b)x05A:choosing a chocolate doughnut from a box of doughnuts and eating it.
B:choosing a second chocolate doughnut.
c)x05A:drawing an ace from a deck of cards and leaving it on the game table.
B:drawing a king from the remaining deck of cards.
___________________________________-
d)x05A:obtaining tails when a coin is
1.x05In a wildlife refuge,the probability of encountering a moose during a fall day is 75%.
a)x05What is the probability of encountering a moose on the first day and not encountering one the following day
b)x05What is the probability of not encountering a moose during a 3 day stay at the wildlife refuge
c)x05Do the events involved in this situation consist of unrelated events or related events explain your answer
2.x05For each of the following pairs of events A and B,indicate whether the events are dependent or independent.
a)x05A:obtaining 3 when a die is rolled
B:obtaining 4 when this die is rolled a second time.
b)x05A:choosing a chocolate doughnut from a box of doughnuts and eating it.
B:choosing a second chocolate doughnut.
c)x05A:drawing an ace from a deck of cards and leaving it on the game table.
B:drawing a king from the remaining deck of cards.
___________________________________-
d)x05A:obtaining tails when a coin is
提问时间:2021-04-01
答案
1
a) 0.75 * (1-0.75) = 3/16
b) (1-0.75)^3 = 1/64
c) They are unrelated.Each day the probability of encoutering a moose is the same,regardless of the events on the previous day or following day.
2.
a) independent
b) dependent
c) dependent
d) independent
a) 0.75 * (1-0.75) = 3/16
b) (1-0.75)^3 = 1/64
c) They are unrelated.Each day the probability of encoutering a moose is the same,regardless of the events on the previous day or following day.
2.
a) independent
b) dependent
c) dependent
d) independent
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