Question

47% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is (a) exactly five, (b) at least six, and (c) less than four.

Answer #1

The the number of US adults who have very little confidence in
newspapers out of 10
has follows Binomial distribution with

The PMF of is
.

a) The probability (exactly five),

b) The probability (at least six),

c) The probability (less than four),

59% of U.S. adults have very little confidence in newspapers.
You randomly select 10 U.S. adults. Find the probability that the
number of U.S. adults who have very little confidence in newspapers
is (a) exactly five, (b) at least six, and (c) less than
four.

66% of U.S. adults have very little confidence in newspapers.
You randomly select 10 U.S. adults. Find the probability that the
number of U.S. adults who have very little confidence in newspapers
is (a) exactly five, (b) at least six, and (c) less than
four.

61% of U.S. adults have very little confidence in newspapers.
You randomly select 10 U.S. adults. Find the probability that the
number of U.S. adults who have very little confidence in newspapers
is (a) exactly five, (b) at least six, and (c) less than
four.
(a) P(5) = ?
(Round to three decimal places as needed.)
(b) P(x≥6) = ?
(Round to three decimal places as needed.)
(c) P(x<4) = ?
(Round to three decimal places as needed.)

56% of us adults have very little confidence in
newspaper. you randomly select 10 us adults. find the probability
that the number of us adults who have very little confidence in
newspaper is exactly five at least six and less than four.
a P(5) round to 3 decimal place

In a typical day, 61% of U.S. adults go online to get news. You
randomly select five U.S. adults. Find the probability that the
number of U.S. adults who say they go online to get news is
a) Exactly 2.
b)At least two.
c)More than two

44% of men have considered themselves professional baseball
fans. You randomly select 10 men and ask each if he considers
himself a professional baseball fan. Find the probability that the
number who consider themselves baseball fans is? (a) exactly? five,
(b) at least? six, and? (c) less than four

Sixty three percent of adults’ trust newspapers to present news
fairly. You randomly select 9 adults. Find the probability that the
number of adults who trust newspapers to present the news fairly is
exactly 5. (Do not round values and show all work)

39% adults favor the use of unmanned drones by police agencies.
Twelve U.S. adults are randomly selected. Find the probability that
the number of U.S. adults who favor the use of unmanned drones by
police agencies is (a) exactly three, (b) at least four, (c)
less than eight.

17% adults favor the use of unmanned drones by police agencies.
Twelve U.S. adults are randomly selected. Find the probability that
the number of U.S. adults who favor the use of unmanned drones by
police agencies is (a) exactly three, (b) at least four, (c)
less than eight.

16% adults favor the use of unmanned drones by police agencies.
Twelve U.S. adults are randomly selected. Find the probability that
the number of U.S. adults who favor the use of unmanned drones by
police agencies is (a) exactly three, (b) at least four, (c)
less than eight
(a)P(3)=?

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