An insurance company knows that in the entire population of millions of homeowners, the mean annual loss from fire is miu= $150 and the standard deviation of the loss is singama = $600. The distribution of losses is strongly right skewed: most policies have $0 loss, but a few have large losses. If the company sells 10,000 policies, what is the probability that it can safely base its rates on the assumption that its average loss will be no greater than $160?

Assume that a sample of size 900 is to be taken from a : assume that a sample of size 900 is to be taken from a population that contains 34 people older than 50.a what is the |

Explain why we use the notation p lt 05 in the formal test : explain why we use the notation p lt .05 in the formal test of the hypothesis when there is a significant difference |

A company wished to study the effectiveness of a coffee : a company wished to study the effectiveness of a coffee break on productivity of its workers. the productiveness of |

In particular she does not want the sample mean to deviate : an analyst from an energy research institute in california wishes to precisely estimate a 99 confidence interval of the |

An insurance company knows that in the entire population of : an insurance company knows that in the entire population of millions of homeowners the mean annual loss from fire is |

Based on the sample results can you conclude that there is : suppose a random sample of 100 u.s. companies taken in 2005 showed that 21 offered high-deductible health insurance |

Write the event the student could run a mile in less than : a study of 12000 able-bodied male students at the university of illinois found that their times for the mile run were |

A researcher estimates the 95 ci for a sample with a mean : a researcher estimates the 95 ci for a sample with a mean of m 3.26 and a standard error ?m of 0.91. what is the upper |

Determine a 95 confidence interval for the population : given below are the values taken from a normal population.21 23 25 27 28 35 30 32 33determine a 95 confidence |

## The rr bowker company collects information on the retailthe r.r. bowker company collects information on the retail prices of books and publishes the data in the bowker annua |

## Over the years grades in an introductory statistics courseover the years grades in an introductory statistics course were recorded and showed the following proportionsa 0.20 b |

## How to analyse the dataset to check wich values to rejectIf I have a set of values(direct measurements of dynamic deformations of a road at 100m) between 3 and~1000, how can I calculate the 2 characteristical values wich limits the interval including 85,95% of all possible measurements on this road? Using .. |

## A professor is doing a study of the relationship betweena professor is doing a study of the relationship between students grades and their part-time work. he analyses data |

## Question the manufacturer of a steel-belted radial tirequestion the manufacturer of a steel-belted radial tire claims that the mean mileage the tire can be driven before the |

## Linear optimization model to determine optimal mixDevelop and solve a linear optimization model to determine the optimal mix to maximize profit, and write a short memo to the president, Kathy Chung, explaining the sensitivity information in language that she can understand. |

## Test the claim that the sample comes from a populationStandard deviation of 19.5. Use a 0.05 significance level to test the claim that the sample comes from a population with a standard deviation less than 23.4. |

## A sample of 230 observations is selected from a normala sample of 230 observations is selected from a normal population for which the population standard deviation is known |

## Did the change to the process improve the mtbfThe manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF. Did the change to the process improve the MTBF? |

## Explain what the slpoe and intersept of the model indiatestype your question here an article in the jornal of statstic education reported the price of diamond of different carat |

## Complete the following anova table use alpha 05 to findsuppose you are using a completely randomized design to study some phenomenon. there are three treatment levels and a |

## Maximum surface areas of a cubeI need to find the maximum and minimum surface areas for 2 cubes with a total volume of 432 in^3. No other perameters are specified. I've been able to use common sense to find the max is 432 sq/inches |

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