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Janet Is Planning to Rent a Booth at a Festival

Question 29

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Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
,and sales of skirts will have a mean of 12.6 with a standard deviation of Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
.The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression:
I = 80J + 50S - 180
Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other.


A) σ = 80
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
+ 50
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
B) σ =
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
C) σ =
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
D) σ =
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
E) σ = 80
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
+ 50
Janet is planning to rent a booth at a festival for a day to sell clothes that she has made.She sells jackets for $80 and skirts for $50.Her past experiences suggests that sales of jackets will have a mean of 6.5 with a standard deviation of ,and sales of skirts will have a mean of 12.6 with a standard deviation of .The cost of renting the booth for the day is $180.Let the random variable J represent the number of jackets that Janet sells and the random variable S represent the number of skirts that Janet sells.Then Janet's net income,I,is given by the expression: I = 80J + 50S - 180 Find an expression for the standard deviation of Janet's net income.Assume that sales are independent of each other. A) σ = 80 + 50 B) σ = C) σ = D) σ = E) σ = 80 + 50 - 180
- 180

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