Question
In: Statistics and Probability
Seventy percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the...
Seventy percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer to purchase electronics online is (a) exactly five, (b) more than five, and (c) at most five.
(a) Find the probability that the number that prefer to purchase electronics online is exactly five.
P(5)equals=
(Round to three decimal places as needed.)
(b) Find the probability that the number that prefer to purchase electronics online is more than five.
P(x>5)equals=
(Round to three decimal places as needed.)
(c) Find the probability that the number that prefer to purchase electronics online is at most five.
P(x≤5)equals=
(Round to three decimal places as needed.)
Solutions
orchestra answered 2 years agoRelated Solutions
FortyForty percent of consumers prefer to purchase electronics online. You randomly select 88 consumers. Find the...
FortyForty percent of consumers prefer to purchase electronics
online. You randomly select 88 consumers. Find the probability that
the number of consumers who prefer to purchase electronics online
is (a) exactly five, (b) more than five, and (c) at most
five.
1)Thirty-eight percent of consumers prefer to purchase electronics online. You randomly select 16 consumers. Find the...
1)Thirty-eight percent of consumers prefer to purchase
electronics online. You randomly select 16 consumers. Find the
probability that the number who prefer to purchase electronics
online is at most 5.
2)The speed of cars on a stretch of road is normally distributed
with an average 42 miles per hour with a standard deviation of 5.9
miles per hour. What is the probability that a randomly selected
car is violating the speed limit of 50 miles per hour?
3) A survey indicates...
50% of consumers prefer to purchase electronics online. you randomly select eight consumers. find the probability...
50%
of consumers prefer to purchase electronics online. you randomly
select eight consumers. find the probability that the number of
consumers who prefer to purchase electronics online is exactly 5
,more than five, at most
You randomly select 22 student cars and find they have a mean age of 8 years...
You randomly select 22 student cars and find they have
a mean age of 8 years and a standard deviation of 3.4 years. You
also randomly select 28 faculty cars and find they have a mean age
of 5.3 years and a standard deviation of 3.7 years.
Use a 0.01 significance level to test the claim that
student cars are older than faculty cars.
(a) test statistic
(b) the p-value
You randomly select 22 student cars and find they have a mean age of 8 years...
You randomly select 22 student cars and find they have
a mean age of 8 years and a standard deviation of 3.4 years. You
also randomly select 28 faculty cars and find they have a mean age
of 5.3 years and a standard deviation of 3.7 years.
Use a 0.01 significance level to test the claim that
student cars are older than faculty cars.
(a) test statistic
(b) the p-value
Seventy-five percent (75%) of vehicles on a freeway violate the speed limit. You randomly clock n...
Seventy-five percent (75%) of vehicles on a freeway violate the
speed limit.
You
randomly clock n = 100 vehicles.
32
What is the probability that between 70 and 80 vehicles violate the
speed limit?
P(70 ≤ x ≤ 80) = ________
a
0.7967
b
0.8320
c
0.8550
d
0.8835
33
In repeated experiment of
clocking 100 vehicles what is the expected value of the number of
vehicles which violate the speed limit?
a
75
b
72
c
68
d
65...
Suppose that you own a car dealership and purchase (randomly select) 10 cars of a certain...
Suppose that you own a car dealership and purchase (randomly
select) 10 cars of a certain make from a production run of 200
cars. Of the 200 cars, 160 are destined to last at least five years
without needing a major repair.
Using the hypergeometric distribution what is the probability
that at least 6 of your 10 cars will last at least five years
without needing a major repair.
An Entity relationship diagram and workflow to implement a system that will allow consumers make online purchase.
An Entity relationship diagram and workflow to implement a
system that will allow consumers make online purchase.
The probability that a randomly selected individual in a certain Community has made an online purchase...
The probability that a randomly selected individual in
a certain Community has made an online purchase a 0.39 suppose that
a sample of 10 people from the community is selected. What is the
probability that at most three of them has made an online
purchase?
You are considering the acquisition of a small office building. The purchase price is $775,000. Seventy-five...
You are considering the acquisition of a small office building.
The purchase price is $775,000. Seventy-five percent of the
purchase price can be borrowed with a 30-year, 7.50% mortgage.
Up-front financing costs will total 3.00% of the loan amount. The
expected cash flows assuming a 5-year holding period are as
follows:
Year
NOI
1
$48,492
2
$53,768
3
$59,282
4
$65,043
5
$71,058
The cash flow from
the sale of the property is expected to be $1,000,000.
What is the...
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