Question

According to a survey by Accountemps, 48% of executives believe that employees are most productive on Tuesdays. Suppose 200 executives are randomly surveyed.

a. What is the probability that fewer than 90 of the executives believe employees are most productive on Tuesdays?

b. What is the probability that more than 105 of the executives believe employees are most productive on Tuesdays?

c. What is the probability that more than 84 of the executives believe employees are most productive on Tuesdays? (Round the values of z to 2 decimal places. Round the intermediate values to 4 decimal places. Round your answers to 4 decimal places.)

Answer #1

According to a survey by Accountemps, 48% of executives believe
that employees are most productive on Tuesdays. Suppose 200
executives are randomly surveyed.
a. What is the probability that fewer than 90 of
the executives believe employees are most productive on
Tuesdays?
b. What is the probability that more than 105 of
the executives believe employees are most productive on
Tuesdays?
c. What is the probability that more than 84 of
the executives believe employees are most productive on
Tuesdays?...

According to a survey by Accountemps, 48% of executives believe
that employees are most productive on Tuesdays. Suppose 230
executives are randomly surveyed.
Appendix A Statistical Tables
a. What is the probability that fewer than 103 of
the executives believe employees are most productive on
Tuesdays?
b. What is the probability that more than 115 of
the executives believe employees are most productive on
Tuesdays?
c. What is the probability that more than 94 of
the executives believe employees are...

Accountemps survey of 150 senior executives, 47% said
that the most common job interview mistake is to have little or no
knowledge of the company where the applicant is being surveyed.
what is the sample, the population, sample statistic, population
parameters

According to the U.S. Bureau of the Census, about 75% of
commuters in the United States drive to work alone. Suppose 150
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that fewer than 105 commuters drive to work alone? (b) What is the
probability that between 112 and 124 (inclusive) commuters drive to
work alone? (c) What is the probability that more than 95 commuters
drive to work alone? (Round the values of σ to 4 decimal places....

According to a study done by Pew Research Center, 37% of adult
Americans believe that marriage is now obsolete. Suppose a random
sample of 180 Americans is asked whether marriage is obsolete. What
is the probability that more than 30% believe that marriage is
obsolete? Use 4 non-zero decimal places in your calculations. Round
z-values to 2 decimal places.

Suppose that a recent poll found that 45% of adults in a
certain country believe that the overall state of moral values is
poor. If a survey of a random sample of 65 adults in this country
is conducted in which they are asked to disclose their feelings on
the overall state of moral values, complete parts (a) through
(d) below.
(a) Find the probability that exactly 32 of those surveyed feel
the state of morals is poor.
The probability...

A survey of 2645 consumers by DDB Needham Worldwide of Chicago
for public relations agency Porter/Novelli showed that how a
company handles a crisis when at fault is one of the top influences
in consumer buying decisions,with 73% claiming it is an influence.
Quality of product was the number one influence, with 96% of
consumers stating that quality influences their buying decisions.
How a company handles complaints was number two, with 85% of
consumers reporting it as an influence in...

In a recent survey, 48% indicated chocolate was their favorite
flavour of ice cream. Suppose that we select a sample of 17 people
and ask them to name their favourite flavour of ice cream. a. How
many of those in the sample would you expect to name chocolate?
(Round the final answer to 2 decimal place.) Probability b. What is
the probability exactly eleven of those in the sample name
chocolate? (Do not round the intermediate values. Round the final...

A survey showed that 48% of the adults liked to read as a
leisure activity. If 40 adults were surveyed what is the
probability that:
•Exactly 25 of them liked to read?
•At most 23 of them liked to read?
•Between 26 and 29 liked to read?
•More than 24 liked to read?

In a survey of 155 senior executives, 45.8% said that the most
common job interview mistake is to have little or no knowledge of
the company. Use a 0.01
significance level to test the claim that in the population of
all senior executives, 45% say that the most common job interview
mistake is to have little or no knowledge of the company. Identify
the null hypothesis, alternative hypothesis, test statistic,
P-value, conclusion about the null hypothesis, and final
conclusion that...

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