The average birth weight of domestic cats is about 4 ounces. Assume that the distribution of birth weights is Normal with a standard deviation of 0.4 ounce. a. Find the birth weight of cats at the 90th percentile.
b. Find the birth weight of cats at the 10th percentile.
a. The birth weight of cats at the 90th percentile is ounces.
(Round to two decimal places as needed.)

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step-by-step explanation:

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!

the answer is a if my teacher taught me correct