A test for ovarian cancer has a 4 percent rate of false positives and a 0 percent rate of false negatives. On average, 2 in every 1,000 American women over age 35 actually has ovarian cancer.   If a woman over 35 tests positive, what is the probability that she actually has cancer? Hint: Make a contingency table for a hypothetical sample of 100,000 women. (Round your answer to 5 decimal places.)

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A:

Q: Sixty-five percent of men consider themselves knowledgeable soccer fans. If 10 men are randomly…

A: Given  n=10, p=65%

Q: Marketers find that 87% of US teenagers use the Internet. Consider a random sample over 282 US…

A:

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: We have to find given probability

Q: A geneticist conducts an experiment with beans, one sample of offspring consisted of 458 green beans…

A: Given that Total beans=458+162=620 Green beans=458 Yellow beans=162

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: After rolling a fair twenty-sided die 200 times, the observed (or experimental) probability of…

A: A 20-sided fair die is rolled.

Q: 9. The forecast for Monday shows an 80% chance of rain. What is the probability that it will not…

A: Probability

Q: 1. 100 people each independently flip a fair coin 10 times. What's the probability that NONE of them…

A: Sample size ,n = 100 Each independently flip a coin 10 times Total outcomes = 210 = 1024 Only once…

Q: Do you know Squidward? According to a survey by Nickelodeon TV, 87% of children under 13 in Germany…

A:

Q: An insurance company sold 2,500 policies ($100,000 payout value) this year. The probability of death…

A: The number of deaths that would result in breaking even means that the expected mean is zero.…

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

Q: According to a 2009 Reader's Digest article, people throw away about 7% of what they buy at the…

A: Given: Population proportion (p) = 7%  = 0.07    Sample proportion                  Sample size (n)…

Q: A hotel manager calculates that 12% of the hotel rooms are booked. If the manager is right, what…

A: From the given information,P be the probability that hotel rooms are booked = 0.12.Sample size (n)…

Q: Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random,…

A: Answer: Given that                    p= 0.53      ,   n=10                      now will use…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: A scientist claims that 8% of viruses are airborne. If the scientist is accurate, what is the…

A: Given information:Sample proportion (p) = 8%                                     = 0.08Sample size…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Multiplication rule is : P(A and B)=P(A)*P(B) Given data is : Driver  intoxicated Pedestrain…

Q: Given that 7.0% of the population of Canada have blood type O-negative, calculate the probability…

A: Given that 7.0% of the population of Canada have blood type O-negative so the probability of getting…

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

Q: 65% of the people in Missouri pass the driver's test on the first attempt. A group of 7 people took…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random,…

A:

Q: For an outdoor art and craft show, event organizers estimate that 60,000 people will attend if it is…

A: Let, X=number of people that will attend the show  Given that probability of raining = 70%=0.70…

Q: A hotel manager believes that 10% of the hotel rooms are booked. If the manager is accurate, what is…

A: Given that 10% of the hotel rooms are booked. That is p=0.10 And there are sample of 454 rooms. That…

Q: A film distribution manager calculates that 4% of the films released are flops.If the manager is…

A: The given data: Probability that the films released are flops, p = 0.04 Number of samples, n= 747…

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Given: Sample size (n) = 135 Population proportion (p) = 0.14

Q: Emma loves Butterfinger bars and recently ate a bar that only weighed 58 grams. Based on the…

A: P (z < -1.67) = 0.0478Explanation:z = (x - µ)/σ = (58 - 60)/1.2 = -1.67 P (z < -1.67) = 0.0478…

Q: If the probability that a professor correctly writes a slide is 0.80, what is the probability that…

A:

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: The data is given as-   Pedestrian Intoxicated    Driver Intoxicated  Yes No Yes 64 73 No…

Q: uppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the…

A: p =0.72 n = 150 z-critical value at 0.75 = 0.6745