Question: Probability Theory General Random Variables Problems 5. * Rose Budds is the wedding specialist at a local florist. The number of weddings Rose has to

Probability Theory General Random Variables Problems

5. * Rose Budds is the wedding specialist at a local florist. The number of weddings Rose has to provide flowers for next month is estimated as follows:

Weddings

Probability

10

.2

20

.1

30

.4

40

.1

50

.2

  1. Find the expected number of weddings.
  2. Find the variance and standard deviation.

Roses salary consists of a base salary of $1,000 plus a commission. The commission is $50 per wedding for the first 30 weddings in a month and $70 on each wedding thereafter.

  1. What is her expected monthly salary?

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