**1. **An urn has two white and three green balls. A number is selected at random from *1; 2; 3; 4; 5*, and then that many balls are taken out from the urn. Find the probability that they are all green.

**2. **An urn has five white and five green balls. Five balls are drawn at random without replacement. Find the probability that in each odd-numbered draw a green ball is drawn.

**3. **On a table, there are two dice. One is a fair die, and the faces of the other die are 1, 1, 2, 2, 6, 6. One die is selected at random and rolled, and it gives a six. What is the probability that it was the fair die?

How it is different than what has been done : Present evidence for the importance of your question. Explain how it is different than what has been done, or how is it new. |

Should we have conducted to achieve a better recovery : In retrospect, what set of macro policies, if anything, should we have conducted to achieve a better recovery? Show using the AD/AS model and explain your reasoning. |

Find the mass function : 1. Cards are drawn one at a time, without replacement, from a deck of 52 cards until the first club card is obtained. Let X be the number of draws required. (a) Find the mass function of X . |

Find the loss of o2 by diffusion per metre length of pipe : Oxygen at 25?C and pressure of 2 bar is flowing through a rubber pipe of inside diameter 25 mm and wall thickness 2.5 mm. The diffusivity of O2 through rubber is 0.21 x 10-9 m2/s and the solubility of O2 in rubber is 3.12x10-3 kg-mole/m^-3 bar . .. |

Find the probability that in each odd-numbered : An urn has five white and five green balls. Five balls are drawn at random without replacement. Find the probability that in each odd-numbered draw a green ball is drawn. |

What does the given story tell us about soninke culture : What does this story tell us about Soninke culture? What values does it prescribe? What can we learn about how the Soninke view themselves, their history, and cultural development? |

Calculate the diffusion coefficient of water in air : An open pan 210 mm in diameter and 75 mm deep contains water at 25?C and is exposed to dry atmospheric air. Calculate the diffusion coefficient of water in air. Take the rate of diffusion of water vapour is 8.52 x 10-4 kg/h. |

Same number of republicans : From a town of 25 Republicans and 25 Democrats, pollsters A and B each sampled ten residents at random without replacement. Find the probability that the two polls contained exactly the same number of Republicans. |

Calculate the evaporation rate of water in grams per hour : An open pan of 150 mm diameter and 75 mm deep contains water at 25 C and is exposed to atmospheric air at 25 C and 50% R.H. Calculate the evaporation rate of water in grams per hour. |

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## A final exam in math 160 has a mean of 73 with a standarda final exam in math 160 has a mean of 73 with a standard deviation of 7.8. 40 students are randomly selected and |

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