What is the probability that the bird has a beak

Reference no: EM133650983

Question: The length of a imaginary beak of a bird is distributed as a normal variable with mean X and standard deviation = X/10 inches.

You obtain a single sample of one such bird and measure its beak. What is the probability that the bird has a beak between:

1) less than X?
2) from X - 2 * (X/10) and X - (X/10)
3) from X - X/10 to X
4) from X - X/10 to X + 2 * (X/10)
5) from X - 2 * (X/10) to X + 3 * (X/10)

Where X is the position of the first name of your last name in the alphabet.

Hint: you don't need the z score table to solve this.

Reference no: EM133650983

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