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alexdok [17]
3 years ago
15

Find the probability that the sample mean deviates from the population mean μ = 108 by no more than 2.

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0
I actually dont understand what ur asking for vut 80
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The coefficient 'b' for the linear term is b = -2
The coefficient 'c' is 0
Step-by-step explanation :
The given expression is,




To solve this problem we are using quadratic formula.
The general quadratic equation is,

Formula used :

Now we a have to solve the above equation and we get the value of 'x'.

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A health study tracked a group of person for five years. At the beginning of the study, 20% were classified as heavy smokers, 30
Aleks04 [339]

Answer: 0.421

Step-by-step explanation:

Heavy smoker = 20%

Light smoker = 30%

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We can assume that the probability that a non-smoker is going to die in the next 5 years be y.

Since light smokers were twice as likely as nonsmokers to die during the five-year study, the probability will be:

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Light smoker:

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= 0.3 × 2y.

= 0.6y

Heavy smoker:

= 20% × 4y.

= 0.2 × 4y

= 0.8y

Total = 0.5y + 0.6y + 0.8y = 1.9y

The probability that the participant was a heavy smoker will be:

= 0.8y/1.9y

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3 years ago
devin makes a 15% commission each month for everything he sells. if devin sells $2750 of merchandise this month, how much of a c
kakasveta [241]

Answer:

$412.50

Step-by-step explanation:

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