Find probability that fewer aquired habit by age fourteen
Two out of five adult smokers aquired the habit by age 14. If 400 smokers are randomly selescted, find the probability that 170 or fewer aquired the habit by age 14.
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A person has 8 friends but can only invite 5 to their birthday party. How many ways can she invite 5 friends if two of the friends will only attend together? show full working.
In the case of a certain type of copper wire, it is known that, on the average, 1.5 flaws occur per millimeter. Assuming that the number of flaws is a Poisson random variable, what is the probability that no flaws occur in a certain portion of wir
Savallas Company is highly automated and uses computers to control manufacturing operations. The company uses a job-order costing system and applies manufacturing overhead cost to products.
The interest expense on the income statement relates to the bonds payable; the amount of bonds outstanding did not change throughout the year.
In testing a certain kind of truck tire over a rugged terrain, it is found that 25% of the trucks fail to complete the test run without a blowout. Of the next 15 trucks tested, find the probability that
Ned and Muade Flanders purchase a new home on june 8 2012 for $100000. The home is located on a busy street close to the roadside. Homer and Snake,.
Serber, Inc., which uses a volume-based cost system, produces cat condos that sell for $180 each. Direct materials cost $24 per unit, and direct labor costs $13 per unit. Manufacturing overhead is applied at a rate of 130% of direct labor cost.
It is known that 60% of mice inoculated with a serum are protected from a certain disease. If 5 mice are inoculated, find the probability that
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