Selected randomly from a group
Suppose a committee of 3 people is to be selected randomly from a group consisting of 4 men and 5 women. What is the probability that one man and two women are selected?
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A company conducts random drug tests each month; employee selections are independent of any previous months' selections. If the company tests 30% of its employees each month, what proportion of employees were (a) tested every time in three months,
your company owns a parcel of land in a currently undeveloped part of the country. Based on expected monetary value of persent worth, what, if anything should be done with the land?
The length of the vine is 33.1 m. With what speed should Tarzan push off the cliff if he and Jane are to make it to the tree limb successfully?
Tarzan swings on a vine from a cliff to rescue Jane, who is standing on the ground surrounded by snakes. His plan is to push off the cliff, grab Jane at the lowest point of his swing, and carry them both to the safety of a nearby tree
Design a compound gear train that yields a train value of +300:1. From Interference considerations, no pinion shouicl have fewer than 15 teeth.
If electricity costs 8.5 cents per kWh determine the actual operating cost and the minimum theoretical operating cost, each in $/day.
What is the value of the poential energy of the object when it is 0.5m above the floor?
An analyst from an energy research institute in California wishes to precisely estimate a 99% confidence interval of the average price of unleaded gasoline in the state.
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