Question

A survey of adults found that 6% say their favorite sport is auto racing. You randomly select 300 adults and ask them to name their favorite sport.

(a) Find the probability that the number of people who say auto racing is their favorite sport is more than 27. Graph.

Answer #1

A survey of adults found that 6% say their favorite sport is
auto racing. You randomly select 300 adults and ask them to name
their favorite sport.
- Find the probability that the number of people who say auto
racing is their favorite sport is between 16 and 21, inclusive.
Graph.

A survey of adults found that
3737%
say their favorite sport is professional football. You randomly
select
120120
adults and ask them if their favorite sport is professional
football.(a) Find the probability that at most
6666
people say their favorite sport is professional football.(b)
Find the probability that more than
3333
people say their favorite sport is professional football.(c)
Find the probability that between
4343
and
5151
people, inclusive, say their favorite sport is professional
football.
(d) Are any of...

A survey of adults ages? 18-29 found that 93?% use the Internet.
You randomly select 132 adults ages? 18-29 and ask them if they use
the Internet.?
(a) Find the probability that exactly 125 people say they use
the Internet.?
(b) Find the probability that at least 125 people say they use
the Internet.?
(c) Find the probability that fewer than 125 people say they use
the Internet.
?(d) Are any of the probabilities in parts? (a)-(c) unusual?
Explain.

A survey of adults ages 18-29 found that 85% use the Internet.
You randomly select 157 adults ages 18-29 and ask them if they use
the Internet. (a) Find the probability that exactly 134 people say
they use the Internet. (b) Find the probability that at least 134
people say they use the Internet. (c) Find the probability that
fewer than 134 people say they use the Internet. (d) Are any of
the probabilities in parts (a)-(c) unusual? Explain. Use...

*Please show your work
*Be sure to round z-values to 2 decimal places and round
any probabilities to 4 decimal places
*If doing a hypothesis test, be sure to sure state the
Ho and Ha, you may choose the p-value or rejection region approach
to hypothesis testing, unless otherwise noted in the
question.
*If you need to use the normal approximation, be sure to
show the appropriate steps.
1. A survey of U.S. adults found that 8% say
their favorite...

Fifty-two percent of adults admit that chocolate chip
is their favorite cookie. You randomly select 89 adults and ask
each if chocolate chip is their favorite kind of cookie. What is
the probability that more than 55 admit that chocolate chip is
their favorite kind of cookie?

27%
of US adults say they are more likely to make purchases during a
sales tax holiday. You randomly select 10 adults. Find the
probability that the number of adults who say they are more likely
to make purchases during a sales tax holiday it is (a) exactly two
(b) more than two, and (c) between two and five, inclusive.

A recent survey found that 72% of all adults over 50 own cell
phones. You randomly select 43 adults over 50, and ask if he or she
owns a cell phone. Find the mean number of cell phones owned by a
sample of 43 adults over 50 years old. Round to two decimal
places

A survey of adults found that 56% of those who text on a cell
phone receive unwanted spam and messages. You randomly pick 100
adults who text on a cell phone. Find the probability that the
number of people who received spam and unwanted messages is exactly
60.

a survey of U.S. adults found 58% of women believe that there is
a link between playing violent video games and teens exhibiting
violent behavior. you randomly select five U.S. women and ask them
whether they believe that there is a link between playing violent
video games and teens exhabiting violent behavior. find the
probability that exactly one of them respond yes? find the
probability that at least three of them respond yes?

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