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the mass of species of mouse commonly found in houses. is normally distributed with a mean...

the mass of species of mouse commonly found in houses. is normally distributed with a mean of 19.4 grams with a standard deviation of 0.12 grams. enter your responses as a. decimal with 4 decimal places.

a.) what is the probability that a randomly chosen mouse has a mass of less than 19.31 grams?

b.)what proportion of mice have a mass between 19.33 and 19.47 grams?

c.)30% of all mice have a mass of less than how many grams?

Math   Statistics-And-Probability   
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