Question
In: Statistics and Probability
1. Find the probabilities f(0), f(1), f(2), f(3), and f(4) of a binomial distribution. Keep 4...
1. Find the probabilities f(0), f(1), f(2), f(3), and f(4) of a binomial distribution. Keep 4 decimal places in your answer. Use n=4 and p=0.15. 2. Keep 4 decimal places in your answer. About 75% of dog owners buy holiday presents for their dogs. Suppose n=4 dog owners are randomly selected.
2. Find the probability that
a. at least one buys their dog holiday presents
b. three or more buy their dog holiday presents
c. at most three buy their dog holiday presents
d. find the expected number of persons, in the sample, who buy their dog holiday presents.
e. find the standard deviation of persons, in the sample, who buy their dog holiday presents.
3. According to a recent report of the American Medical Association 9.0% of practicing physicians are in the specialty are of family practice. Assuming that the same rate prevails, find the mean and standard deviation of the number of physicians specializing in family practice out of a current random selection of 545 medical graduates.
4. A drug, which is effective in reducing blood pleasure 73% of the time is administered to 10 patients selected at random.
What is the probability that exactly 6 patients have reduced blood pleasure?
What is the probability that at most 9 patients have reduced blood pleasure?
What is the probability that more than 1 patient have reduced blood pleasure?
Solutions
orchestra answered 2 years agoRelated Solutions
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities.
Fifty-nine percent of adults say that they have cheated on a
test or exam before. You randomly select six adults. Find the
probability that the number of adults who say that they have
cheated on a test or exam before is (a) exactly four,(b) more...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities.
The mean number of births per minute in a country in a recent
year was about
sixsix.
Find the probability that the number of births in any given
minute is (a) exactly
fourfour,
(b) at least
fourfour,
and (c) more than
fourfour.
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities. A newspaper finds that the mean number of
typographical errors per page is six. Find the probability that
(a) exactly five typographical errors are found on a page, (b) at
most five typographical errors are found on a page, and (c) more
than five typographical...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities. Assume the probability that you will make a
sale on any given telephone call is 0.15. Find the probability that
you (a) make your first sale on the fifth call, (b) make your
sale on the first, second, or third call, and (c) do not...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities. A newspaper finds that the mean number of
typographical errors per page is six. Find the probability that
(a) exactly five typographical errors are found on a page, (b) at
most five typographical errors are found on a page, and (c) more
than five typographical...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities. A major hurricane is a hurricane with wind
speeds of 111 miles per hour or greater. During the last century,
the mean number of major hurricanes to strike a certain country's
mainland per year was about 0.56. Find the probability that in a
given year...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities.
The mean number of oil tankers at a port city is
1313
per day. The port has facilities to handle up to
1717
oil tankers in a day. Find the probability that on a given day,
(a)
thirteenthirteen
oil tankers will arrive, (b) at most...
Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then...
Find the indicated probabilities using the geometric
distribution, the Poisson distribution, or the binomial
distribution. Then determine if the events are unusual. If
convenient, use the appropriate probability table or technology to
find the probabilities.
The mean number of heart transplants performed per day in a
country is about
eight
Find the probability that the number of heart transplants
performed on any given day is (a) exactly
six
(b) at least
seven
and (c) no more than
four
(a)
P(6)=...
Find f. f ''(x) = x−2, x > 0, f(1) = 0, f(4) = 0 f(x)=
Find f.
f ''(x) = x−2, x >
0, f(1) = 0, f(4) =
0
f(x)=
In a binomial distribution n = 10 and p = 0.30. Find the probabilities of the...
In a binomial distribution n = 10 and p =
0.30. Find the probabilities of the following events:
(Round the final answers to 3 decimal places.)
a. x = 2.
Probability
b. x ≤ 2 (the probability that
x is equal to or less than 2).
Probability
c. x ≥ 3 (the probability that
x is equal to or greater than 3).
Probability
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