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

---

Definitions:

Seasonal Unemployment

Unemployment resulting from the seasonal pattern of work in certain industries, with workers regularly laid off during the slow season and rehired during the busy season.

Unemployment Rate

The unemployment rate is the percentage of the labor force that is jobless and actively seeking employment.

Natural Rate

The natural rate of unemployment is the level of unemployment consistent with a stable rate of inflation.

Inflationary Wage

Wage increases that match or exceed the rate of inflation, aimed at maintaining or increasing purchasing power over time.