Question

Based on data from a statistical abstract, only about 14% of senior citizens (65 years old or older) get the flu each year. However, about 23% of the people under 65 years old get the flu each year. In the general population, there are 13.5% senior citizens (65 years old or older). (Round your answers to three decimal places.)

(a) What is the probability that a person selected at random from the general population is senior citizen who will get the flu this season?

(b) What is the probability that a person selected at random from the general population is a person under age 65 who will get the flu this year?

(c) Repeat parts (a) and (b) for a community that has 93% senior citizens.

(a)

(b)

(d) Repeat parts (a) and (b) for a community that has 49% senior citizens. (

a)

(b)

Answer #1

Based on data from a statistical abstract, only about 10% of
senior citizens (65 years old or older) get the flu each year.
However, about 26% of the people under 65 years old get the flu
each year. In the general population, there are 13.5% senior
citizens (65 years old or older). (Round your answers to three
decimal places.)
(a) What is the probability that a person selected at random
from the general population is senior citizen who will get...

Based on data from a statistical abstract, only about 19% of
senior citizens (65 years old or older) get the flu each year.
However, about 32% of the people under 65 years old get the flu
each year. In the general population, there are 11.5% senior
citizens (65 years old or older). (Round your answers to three
decimal places.)
(a) What is the probability that a person selected at random
from the general population is senior citizen who will get...

In a population, 20% of the people are senior citizens. Among
the senior citizens, 65% are female, but among those who are not
senior citizens, 50% are female. One person is picked at random.
Find ?(person is a senior citizen | person is female).

26_The best illustration of a legally competent party is
a)a 65-years old
b)a 14 year old
c)a person who is legally insane
d)a person under the influence of alcohol
27_Probate court is a court that reviews decisions of another
court. True or False
28_An emancipated minor can avoid a contract to pay for
a)Jeans and shirts that are part of a school wardrobe
b)archery equipment used in sports tournaments
c)having a tooth filled by a dentist
d)room and board at...

Information: Flu season comes every year and it
is time to look at who in our community is most likely going to get
us sick. Using a representative sample of the general population in
the United States, we have constructed a table that shows flu
vaccination status by age group. People were categorized as
vaccinated for the 2015 flu season if they received influenza
vaccine between September and November of 2014. Since we are
confident in the representativeness of our...

A comprehensive report called the Statistical Report on the
Health of Canadians was produced in 1999. In it was reported
that 42% of Canadians, 12 years of age or older, had their most
recent eye examination within the previous year.
1. If a sample of 100 individuals 12 years of age or older were
selected at random from the Canadian population we could use the
Normal distribution to approximate the probability that more than
38 of the sampled people had...

5. The cost-effectiveness of influenza vaccination is well
established for persons aged 65 years and older. A study in the
October 4, 2000 issue of the Journal of the American Medical
Association considered cost-effectiveness and cost-benefit for
healthy adults less than 65 years old. A randomized experiment was
run. The treatment group received an influenza vaccination, while
the control group received a placebo. Any favorable benefits of
influenza vaccination last only for one flu season (a year). We
consider the...

A study conducted by the Metro Housing Agency in a midwestern
city revealed the following information concerning the age
distribution of renters within the city. (Round your answers to
four decimal places.)
Age
Adult
Population, %
Group Who Are
Renters, %
21-44
46
62
45-64
31
45
65 and over
23
65
(a) What is the probability that an adult selected at random
from this population is a renter?
(b) If a renter is selected at random, what is the...

1. A random number generator is used to select a number from 1
to
500 ?(inclusively).
What is the probability of selecting the number 595
?
What is the probability?
2.Identify the sample space of the probability experiment and
determine the number of outcomes in the sample space.
-Randomly choosing an even number between 10 and 20,
inclusive
The sample space is?
(Use a comma to separate answers)
There are _____ outcomes in the sample space
3. Determine the number...

4.2 A random sample of 200 20-year-old men is selected from a
population and these men's height and weight are recorded. A
regression of weight on height yields -------Weight = -99.41 + 3.94
x Height, R2 = 0.81, SER = 10.2,
where Weight is measured in pounds and Height is measured in
inches.
a. What is the regression's weight prediction for someone who is 70
in. tall? 65 in. tall? 74 in. tall?
b. A man has a late growth...

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