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When circuit boards used in the manufacture of compact disc players are tested, the long-run percentage of defectives is 5%. Suppose that a batch of 250 boards has been received and that the condition of any particular board is independent of that of any other board.
a. What is the approximate probability that at least 10% of the boards in the batch are defective?b. What is the approximate probability that there are exactly 10 defectives in the batch?
given an initial distribution of px z exp-zx with z 0.2 and an uncertainty term with a standard deviation of 2.
Using the high-low method, calculate the total fixed factory overhead cost and the variable factory overhead cost per direct labor hour.
Determine whether there is a statistically significant difference in systolic blood pressure between smokers and non-smokers and summarise graphically the total blood cholesterol data for males and for females.
suppose that the mean value of interpupillary distance the distance between the pupils of the left and right eyes for
Compute the number of French fries that would have to be sampled and measured to be 98% sure of being within 0.4 cm of the true mean.
Define a game and prepare the odds of winning. The game could be a card game with two cards or a dice game. Use MS-Excel (if possible) to solve this problem
Two popular over-the-counter antacids are compared to determine which brand is preferred. Three hundred subjects are randomly selected then divided into two groups of 150 each, and given one of the two antacids.
packets arrive at a router at the rate of 1000 packets per second. in an experiment the number of arriving packets are
1.on a certain airline the chance the early flight from atlanta to chicago is full is 0.8. the chance the late flight
A nationwide standardized test taken by high school juniors and seniors may or may not measure academic potential, but we can nonetheless examine the relationship bewteen scores on such test and performance in college.
In a randome sample of 32 units of this year's version of the Vagabond the mean output power is 42 watts, with a standard deviation of 8 watts.
A major problem resulting from the lack of randomization in a cohort study is: the possibility that a factor that led to the exposure, rather than the exposure itself, might have caused the disease.
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