A pair of dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.)

a) the sum of the numbers shown uppermost is less than 6.

b) at least one 3 is cast.

## Probability for simple random sampleWhat is the probability that a simple random sample of 40 male graduates will provide a sample mean within $10,000 of the population mean, $168,000 (to 4 decimals)? |

## What is a 95% confidence interval for the odds ratioWhat is the intercept for the logistic regression equation and What is a 95% confidence interval for the odds ratio |

## Finding degree of confidence for intervalUse value you found in part a to find out degree of confidence for interval 65.65 |

## Likelihood that any flight arrives within schedule timeSuppose the likelihood that any flight on Northwest Airlines arrives within 15 minutes of scheduled time is .90. We choose four flights from yesterday for study. |

## Correlation coefficient between two variablesThe paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. |

## Coefficient of determination of modelA regression model between sales (Y in $1,000), unit price (X 1 in dollars) and television advertisement (X 2 in dollars) resulted in the following function: = 7 - 3X1 + 5X 2 For this model SSR = 3500, SSE = 1500, and the sample size is 18... |

## Estimating the p-value and power valueThe main purpose of this exercise is to check your understanding of significance level, p-values and power . |

## Binomial distribution conceptA business owner decides to use a binomial distribution to solve one of his problems. |

## Determining mutually exclusive eventsEvents A and B are mutually exclusive events defined on common sample space. If P (A) 0.5 and P (A or B) = 0.70, determine P (B). |

## Probability of cost valueFor the mold described in (g), can you find the probability that it's COST value will exceed $150,000? If yes, obtain this probability. If no, why not? |

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