Question

According to the BLS, 55% of all people do volunteer work. What is
the probability that a random sample of 100 people will yield at
least 60% volunteers?

Answer #1

according to BLS 50% of all people will do volunteer work
a. probability that a random sample of 100 people would yield
40 volunteers at most

1.
Not all people who volunteer for clinical trials are acceptable for
the research. What do you think could eliminate a patient from
participating in clinical trials?

According to a marketing research firm, 31% of people do not own
a credit card. If a random sample of 208 people are chosen, what is
the probability that between 25% and 33% do not own a credit card?
(Give your answer with 4 decimals

If 40% of all commuters ride the train to work, find the
probability that at least 3 will ride the train for a sample of 8
people: Use binomial table.
What is the mean & standard deviation of the number of
people who will ride the train?

in a town, 55% of people do sports and 40% paint. 45% of the
people in this town are not interested in such activities at all.
Since it is known that a person chosen randomly from the town does
sports, what is the possibility of this person painting at the same
time?

According to a study conducted by a statistical organization,
the proportion of people who are satisfied with the way things are
going in their lives is 0.84. Suppose that a random sample of 100
people is obtained. Complete parts (a) and (b) below.
(a) What is the probability that the
proportion who are satisfied with the way things are going in their
life exceeds 0.88?
The probability that the proportion who are satisfied with the
way things are going in...

Probability: you have 22 random people that were randomly
selected from the world what is the probability that there's at
least one person who is each zodiac sign (assuming all zodiac signs
have an equal amount of people in the world. Also 26 random people
also 17 random people

In Sick Town, 54% of people have a cold, and 46% do not have a
cold. It is a large population.
We take a survey (sample) of 5 people from Sick Town, and we ask
the question, “Do you have a cold?”
What is the probability that all say, “Yes”?
What is the probability that not all say, “Yes”?
What is the probability that all say, “No”?
What is the probability that not all say, “No”?
What is the probability...

In a group of 51 people, what is the probability that at least
two people share the same birthday? What about three people? Use
Excel random number generator and a sufficient number of loop
iterations to solve.

According to a law association, approximately 60% of the
people who take the bar exam to practise law in the region pass the
exam. Find the approximate probability that at least 61% of 300
randomly sampled people taking the bar exam will pass. Using a
Normal approximation, what is the probability that at least 61%
of 300 randomly sampled people taking the bar exam will pass?
p (p greater and equals to 0.61)

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