You Have Arranged to Go Camping for Two Days in March.You

question 184

Multiple Choice

You have arranged to go camping for two days in March.You believe that the probability that it will rain on the first day is 0.4.If it rains on the first day,the probability that it also rains on the second day is 0.5.If it doesn't rain on the first day,the probability that it rains on the second day is 0.3.Let the random variable X be the number of rainy days during your camping trip.Find the standard deviation of X.

• A)σ = 0.67
• B)σ = 0.76
• C)σ = 0.57
• D)σ = 0.77
• E)σ = 0.70

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Definitions:

Soft Drink

A soft drink is a non-alcoholic beverage, usually carbonated, flavored with various sweeteners and other ingredients.

Gallons

A unit of volume measurement used primarily in the United States, equivalent to 3.785 liters.

Liters

A metric unit of volume equal to one cubic decimeter, used to measure liquids and gases.

Reception

The act or process of receiving guests or answering calls in settings such as hotels, events, or offices.