Bill lengths of a population of male blue jays have a normal distribution with mean 25.4 mm

Question:

Bill lengths of a population of male blue jays have a normal with mean 25.4 mm and standard deviation 0.8 mm. A bill is considered to be "short" if it is shorter than 24.0 mm. Suppose that a researcher has a large collection of these male blue jays and takes measurements each day on 10 of the birds. What is the percentage of days on which at least 1 blue jay out of the 10 has a short bill?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...