Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 18 Pennies13 Dimes 18 Nickels13 Quarters What is the probability that you reach into the jar and randomly grab a nickel and then, without replacement, another nickel

Step-by-step explanation:

Given

Required

Probability of selecting 2 nickels without replacement

This can be represented as:

The solution is as follows

The second nickel is reduced by 1 because the first nickel was not replaced and this also reduces the total by 1

So, we have:

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

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