$\"\"$

\

The probability of a sales representive sale is $\"\"$ , so $\"\"$ .

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Then, $\"\"$ .

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(a)

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The sales representive has $\"\"$ appointments this week, so $\"\"$ .

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Find the probability that the sales representive makes no sales this week.

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Find the term $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ and $\"\"$ .

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$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The probability that the sales representive makes no sales this week is $\"\"$ .

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$\"\"$

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(b)

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Find the probability that the sales representive makes exactly $\"\"$ sales this week.

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Find the term $\"\"$ .

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ and $\"\"$

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$\"\"$

\

Since $\"\"$ .

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$\"\"$

\

$\"\"$

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The probability that the sales representive makes exactly $\"\"$ sales this week is $\"\"$ .

\

$\"\"$

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(c)

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Find the probability that the sales representive will make $\"\"$ sales this week. \ \

\

Find the term $\"\"$ . \ \

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ and $\"\"$ .

\

$\"\"$

\

Since $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The probability that the sales representive will make $\"\"$ sales this week is $\"\"$ .

\

$\"\"$

\

(a) The probability that the sales representive makes no sales this week is $\"\"$ .

\

(b) The probability that the sales representive makes exactly $\"\"$ sales this week is $\"\"$ .

\

(c) The probability that the sales representive will make $\"\"$ sales this week is $\"\"$ .