ELEMENTARY STATISTICS-MYLAB STAT.ACCESS
13th Edition
ISBN: 8220115564941
Author: Triola
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 6CRE
Washing Hands Based on results from a Bradley Corporation poll, assume that 70% of adults always wash their hands after using a public restroom.
a. Find the
b. Find the probability that among 8 randomly selected adults, at least 7 always wash their hands after using a public restroom.
c. For groups of 8 randomly selected adults, find the
d. If 8 adults are randomly selected and it is found that exactly 1 of them washes hands after using a public restroom, is that a significantly low number?
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Morningstar tracks the total return for a large number of mutual funds. The following table shows the total return and the number of funds for four categories of mutual funds.
Click on the datafile logo to reference the data.
DATA file
Type of Fund
Domestic Equity
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9191
4.65
International Equity
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The input in the box below will not be graded, but may be reviewed and considered by your instructor.
c. Suppose you invested $10,000 in this group of mutual funds and diversified the investment by placing $2000 in Domestic Equity funds, $4000 in International Equity funds, $3000 in Specialty Stock…
The days to maturity for a sample of five money market funds are shown here. The dollar amounts invested in the funds are provided.
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12
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Which companies spend the most money on advertising? Business Insider maintains a list of the top-spending companies. In 2014, Procter & Gamble spent more than any other company, a whopping $5 billion. In second place was Comcast, which spent $3.08 billion (Business Insider website, December 2014). The top 12 companies and
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Click on the datafile logo to reference the data.
DATA file
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Chapter 5 Solutions
ELEMENTARY STATISTICS-MYLAB STAT.ACCESS
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