03/10/22

Probaility help.
Factories A and B produce computers. Factory A produces 3 times as many computers as factory B. The probability that an item produced by factory A is defective is 0.038 and the probability that an... more
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05/11/21

Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays.
It is found that 10% of the members in that city prefer swimming on weekends and are female, while 55% of the members in that city prefer swimming on weekdays and are female.The probability that a... more
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06/27/20

if f(x)=5x+1 and g(x)=4/x. find f(g(x)) and g(f(x)).
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02/01/20

STATISTICS: A dentist is interested in obtaining information about delinquent (past due) accounts.
Since the practice opened 7 years ago, delinquent accounts are normally distributed with an average of 44 days and a variance of 121.00 days. The dentist randomly selected a sample of 28 delinquent... more
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01/31/20

Solving for x. ln(x) + ln(x-2) = ln4
Solving for x. ln(x) + ln(x-2) = ln4no calculator. All by hand
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01/31/20

In a school, 70% of the students are female. 10 students were randomly selected.

In a school, 70% of the students are female. 10 students were randomly selected. What is the probability that?1. Five female students are selected2. At least are one female student is selected3.... more
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01/29/20

Finding the z-Value that Corresponds to a Given Area
In one region of the Caribbean Sea, daily water temperatures are normally distributed with a mean of 77.9 Fahrenheit and a standard deviation of 2.4 Fahrenheit. What is the third quartile for water... more
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01/28/20

statistics question
Men have a mean height of 68.6 inches with a standard deviation of 2.8 inches. What proportion of men are taller than 72 inches?
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01/27/20

a computer prints all the natural numbers from 1 to 819. The number of times it prints the digit 8 is what?

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12/15/19

Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had
Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had. Can you conclude that more than 30% of people have... more
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11/19/19

Math Help. I need help figuring it out.
A certain disease has an incidence rate of 0.6%. If the false negative rate is 8% and the false positive rate is 5%, compute the probability that a person who tests positive actually has the disease.
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03/19/19

What does "generalizability" mean in regards to quantitative research?
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