Assume that 37% of people are left-handed. If we select 5 people at random, find the...

Assume that 37% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties ( ≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

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orchestra answered 2 years ago

Assume that 73% of people are left-handed. If we select 5 people at random, find the...

Assume that 73% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

Assume that 51% of people are left-handed. If we select 5 people at random, find the...

Assume that 51% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

Assume that 57% of people are left-handed. If we select 5 people at random, find the...

Assume that 57% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

Assume that 41% of people are left-handed. If we select 5 people at random, find the...

Assume that 41% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

Assume that 74% of people are left-handed. If we select 5 people at random, find the...

Assume that 74% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

Assume that 80% of people are left-handed. If we select 5 people at random, find the...

Assume that 80% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group . e. How many lefties do you expect? f. With what standard...

Assume that 60% of people are left-handed. If we select 5 people at random, find the...

Assume that 60% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties (≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what standard deviation?

1. Assume that 7% of people are left-handed. If we select 5 people at random, find...

1. Assume that 7% of people are left-handed. If we select 5 people at random, find the probability of each outcome described below, rounded to four decimal places: a. There are some lefties ( ≥ 1) among the 5 people. b. There are exactly 3 lefties in the group. c. There are at least 4 lefties in the group. d. There are no more than 2 lefties in the group. e. How many lefties do you expect? f. With what...

Assume that 15% of people are left-handed. If 6people are selected at random, find the probability...

Assume that 15% of people are left-handed. If 6people are selected at random, find the probability of each outcome described below. a) Find the probability that the first lefty is the sixth person chosen. (Round to four decimal places as needed.) b) Find the probability that there are some lefties among the 6 people. (Round to four decimal places as needed.) c) Find the probability that the first lefty is the fourth or fifth person. (Round to four decimal places...

1. Assume that 13% of people are left-handed. Suppose 8 people are selected at random. Answer...

1. Assume that 13% of people are left-handed. Suppose 8 people are selected at random. Answer each question about right-handers below. a) Find the mean and standard deviation of the number of right-handers in the group. b) What's the probability that they're not all right-handed? c) What's the probability that there are no more than 5 righties? d) What's the probability that the majority is right-handed? 2. A certain tennis player makes a successful first serve 64% of the time....

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