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The probability of breast cancer is 1% for women at age forty who participate in routine screening. If a woman has breast cancer the probabilty is 80% that she will get a positive mammography. If a woman does not have breast cancer, the probability is 9.6% that she will also get a positive mammography.
A woman in this age group had a positive mammography in a routine screening. What is the probability that she actually has breast cancer? 10 out of every 1000 women at age forty, who participate in routine screening have breast cancer. 8 out of every 10 women with breast cancer will have a positive mammography. 950 out of every 990 women without breast cancer will also have a positive mammography. Here is a sample of women who have a positive mammography. How many of these women actually have breast cancer? Create a 2x2 table for the mammogram problem. Calculate 1. Probability of having breast cancer. p(BC). 2. Probability of having BC given the mammogram is positive. p(BC/positive mammo) 3. Probability of having a positive mammogram given a person has BC. P(pos mammo/BC)
Timmy enjoys playing old-fashioned video games. He found 3 game systems on eBay and wants to purchase a Nintendo game system, an Atari game system, and a Sega arcade game system.
melody used 3 as the value of pi to estimate the area of a circular patio that had a diameter of 26 feet. what is melody's estimate
A bank manager wants to estimate the population variance of the daily deposits into the savings account at the bank. A random sample of 14 deposits had a mean of $350 and a standard deviation of $64. What is the point estimate for the population v..
A person deposits $1500 in a savings account that pays 3% annual interest compounded yearly. At the end of th 12 years what will be the balance in the savings account?
The second number is 5 less than the first. What are the possible values for the first of the two numbers? In your answer, denote the first number by X
Facebook reports that the average number of Facebook friends worldwide is 175.5 with a standard deviation of 90.57. If you were to take a sample of 25 students, what is the probability that the mean number Facebook friends in the sample will be 19..
Finding the density of y and then finding the expectation and (b) using theorem A
Plot the component graph of C(t) for various choices of C0 and various values of S0 around this threshold level to see the growth and decline of C. Plot for 50 days. For which values do most of the population get ill?
From the matrix S who columns are the three vectors in your basis for E3, and compute J = (S^-1)AS. Notice that if you order the columns of S in the most logical way, J will be triangular.
Evaluate the equation of the standard rectangular hyperbola and equation of the tangent and normal at a point to rectangular Hyperbola
The number of days they spent in New York was the same as the total number of days they spent in Boston and Washington, and the couple spent 3 times as many days in New York as they did in Philadelphia. How many days did Joan and Dick stay in each..
A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area?
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