Answer to Question #264629 in Economics for Tanishq

Question

Let X denote the number of flaws along a 100-m reel of magnetic tape (an integer-valued variable). Suppose X has approximately a normal distribution with = 25 and a = 5. Use the continuity correction to calculate the prob ability that the number of flaws is a. Between 20 and 30, inclusive.

b. At most 30. Less than 30.

Answer 1

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