Of the 89 people who answered "yes" to a question, 8 were male. Of the 43 people who answered "no" to the question, 5 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?

## Varies with the copula correlationIt is interested in estimating a 99.97% worst case for percentage of loan that defaults on the portfolio. Show how this varies with the copula correlation. |

## Ordinary deck without replacementFive cards are drawn from an ordinary deck without replacement. Find the probability of getting: |

## Hypothesis testing for two independent sampleAt the 5% level of significance, can we infer that the population mean weight of athletic men is lower than the population mean weight of non-athletic men by more than 2 pounds? |

## Key data regarding normal probabilityA sample of waterfall heights in Hawaii show that the average height is 261.5 feet with a standard deviation of 13.76 feet. |

## Bias of a statistic refers toThe mean of a sample is 22.5. The mean of 1000 bootstrapped samples is 22.491. The bias of the bootstrap mean is |

## Explain evidence to reject hypothesisA random group of students was selected from a large student conference to analyze their class in school. Is there evidence to reject the hypothesis that the number of students is equally distributed between the four classes, at alpha = .05? |

## If 10 employed women are selected at random what is theaccording to government data 25 of employed women have never been married.a if 10 employed women are selected at |

## Probability calculation by using z scoreA salesperson goes door-to-door in a residential area to demonstrate the use of a new household appliance to potential customers. She has found from her years of experience that after demonstration, the probability of purchase (long run average) i.. |

## Compute correlation between two variable by hypothesis testUse Hypothesis testing to compute te correlation between these two variables and these it for significance. Test at .01 level of significance. |

## Rate of cigarette smokingConsider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes sm.. |

## Analysis of grantie specimenA geologist has collected 10 specimens of basaltic rock and 10 specimens of granite. The geologist instructs a laboratory assistant to randomly select 15 of the specimens for analysis. |

## Suppose that highway gas mileage ratesSuppose that highway gas mileage rates for both of these cares are uniformly distributed over a range of from 20 to 30 mpg. What proportion of these cars would fall into the 22 to 27 mpg range? Compute the proportion of cars that get more than.. |

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