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cricket20 [7]
3 years ago
13

In 1994, the General Social Survey had a question that asked its participants (that currently smoked) if they had ever tried to

quit smoking. Out of 142, 117 said yes, they had tried to quit smoking. Define the parameter.
Mathematics
1 answer:
Roman55 [17]3 years ago
7 0

Answer:

0.8239 is the population proportion of participants that tried quitting smoking.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 142

Participants that tried quitting smoking = 117

Parameter:

  • A parameter is a numerical value that describes a population.

Population proportion can be calculated as:

p = \dfrac{x}{n} \\\\p= \dfrac{117}{142} \\\\p= 0.8239

0.8239 is the population proportion of participants that tried quitting smoking.

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gregori [183]

Answer:

\$882.89

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

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I is the Final Interest Value

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r is the rate of interest  

t is Number of Time Periods

in this problem we have

Bank A

t=1\ years\\ P=\$250.67\\r=12\%=12/100=0.12

substitute in the formula above

I=250.67(0.12*1)=\$30.08

Bank B

t=1\ years\\ P=\$765.13\\r=7\%=7/100=0.07

substitute in the formula above

I=765.13(0.07*1)=\$53.56

Bank C

t=1\ years\\ P=\$28,500.36\\r=9\%=9/100=0.09

substitute in the formula above

I=28,500.36(0.09*1)=\$2,565.03

Find the average interest gained from the three accounts in one year

[\$30.08+\$53.56+\$2,565.03]/3=\$882.89

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3 years ago
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Answer:

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Step-by-step explanation:

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jarptica [38.1K]

Answer:

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Step-by-step explanation:

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