Let x denote the time it takes to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. If one runner is selected at random, what is the probability that this runner will complete this road race in less than 231.58 minutes?

Body of knowledge : Science is a way of thinking much more than it is a body of knowledge. -CARL SAGAN, BROCA'S BRAIN Science. It is almost a second language as well as a method of inquiry |

In what amount should the institute recognize revenue : A foundation pledges to donate $1 million to an art institute one year in the future. When, and in what amount, should the institute recognize revenue? |

Simplify the radical equations : Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify. |

What is the new voume : A sample containing 4.80 g O2 of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added. |

Find probability that runner will complete road race : If one runner is selected at random, what is the probability that this runner will complete this road race in less than 231.58 minutes? |

Determine the spring constant in n/m : The mass then travels vertically and it takes 1.10 s for the mass to reach the top of its trajectory. Determine the spring constant, in N/m. (Use g=9.81 m/s2). Assume that the time required for the spring to reach its full extension is negligible. |

What is meant by variance power : What is meant by variance power? Suppose that a charitable foundation receives a gift that the donor specifies must be used to support the college education of a particular individual. Of what relevance is variance power to how the foundation acco.. |

How may ml of 0.450 n sodium hydroxide would be required : A vinegar sample contained 5.20 % acetic acid. How may mL of 0.450 N sodium hydroxide would be required to titrate 25.00 mL of the vinegar sample |

Find probabbility that the mean score is below a value : The mean of major student taking the GRE test in 2010 was 1000 with a standard deviation of 230. if you select a random sample of 75 students, what is the probabbility that the mean score is below 950? |

## Statistics-probability assignmentMATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th.. |

## What is the least numberMATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary? |

## Determine the value of kMATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form |

## What is the probabilityMATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa? |

## Binomial distributionsMATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions. |

## Caselet on mcdonald’s vs. burger king - waiting timeCaselet on McDonald’s vs. Burger King - Waiting time |

## Generate descriptive statisticsGenerate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data. |

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## Conduct a marketing experimentConduct a marketing experiment in which students are to taste one of two different brands of soft drink |

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