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UkoKoshka [18]
3 years ago
10

You are performing marketing research to find out the purchasing potential of students in the community. based on the latest cen

sus, there are 9860 students in a population of 62400 people. what percent of the total population is students?
Mathematics
2 answers:
swat323 years ago
7 0
9860 / 62400 = 15.8% of the population are students.
All you need to is divide the two numbers together and your answer should be 15.8 .  15.8% is the population of the students.
forsale [732]3 years ago
4 0

Answer:

15.8%

Step-by-step explanation:

The percent of the total population that are students may be computed by expressing the ratio of the number of students to the total population of people as a percentage.

Given that there are 9860 students and  the total population of people is 62400, the percent of the total population is students

= 9860/62400 * 100%

= 15.8%

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3 years ago
6. A car dealership would like to estimate the mean mpg of its new model car with 90% confidence. The population is normally dis
Yakvenalex [24]

Answer:

92.9997<\mu<99.5203

Step-by-step explanation:

Using the formula for calculating the confidence interval expressed as:

CI = xbar ± Z * S/√n where;

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S is the sample standard deviation

n is the sample size

Given parameters

xbar = 96.52

Z at 90% CI = 1.645

S = 10.70.

n = 25

Required

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Substituting the given parameters into the formula, we will have;

CI = 96.52 ± (1.645 * 10.70/√25)

CI = 96.52 ± (1.645 * 10.70/5)

CI = 96.52 ± (1.645 * 2.14)

CI = 96.52 ± (3.5203)

CI = (96.52-3.5203, 96.52+3.5203)

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3 years ago
A businessperson is charged a $4.96 monthly finance charge on a bill of $283.15.
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2 years ago
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new problem: 93+75
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Answer is 168
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