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In families with four children, you're interested in the probabilities for the different possible numbers of girls in a family. Using theoretical probability (assume girls and boys are equally likely), compile a five-column table with the headings "0" through "4," for the five possible numbers of girl children in a four-child family. Then, using "G" for girls and "B" for boys, list under each heading the various birth-order ways of achieving that number of girls in a family. Then, use your table to calculate the following probabilities:
a. The probability of 1 girl 1/5=0.2 (20%) 20%
b. The probability of 2 girls 1/5=0.2 (20%) 20%
c. The probability of 4 girls 1/5=0.2 (20%) 20%
d. The probability the third child born is a girl Out of the five possible outcomes, four of them have the probability to have the third child being a girl. 4/5=80/100 80%
What is the probability that a ball of diameter t inch thrown upon the sheet will pass through I of the holes without touching the tin sheet?
The scores on the LSAT are approximately normal with mean of 150.7 and standard deviation of 10.2. Find the 35th percentile of the LSAT scores.
Later for a class project you decide to use this data to find out information about your class. This is an example of using ________.
The results of a 2013 Gallup poll about people's position on abortion (pro-life or pro-choice) by region in the country are summarized in the contingency table below.
The probability that a student passes mathematics is 2/3 and the probability that he passes biology is 4/9. If the probability of passing one course is 4/5, what is the probability that he will pass both courses?
Compute the population standard deviation. Find an approximate mean of the sampling distribution. How do these two numbers compare?
In a panel discussion with 3 industry reps, 2 government reps, and 1 association rep, how many ways can they be seated along a row
In 1969, Ken Thompson of AT&T Bell Labs was looking for a computer to create what, eventually, became the fi rst Unix system. He found an unused PDP-7 minicomputer, which he was able to use. Suppose Thompson had not found the PDP-7. Would we have ..
What are cultural expressions from Buddhism traditions?
Estimate the percentage of the population (from which this sample was taken) who would be unable to identify your product.
The mean MPG of a mid-sized sedan is 24.6. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
A committee of 4 persons is to be formed from 7 men and 4 women. What is the probability that the committee consists of exactly 2 women?
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