Binomial - E(X) and SD(X)

The probability of a lost piece of luggage is 20%. How many pieces of lost luggage out of 100 should one expect?

Tags

CCSS.7.SP.C.6

The probability of a lost piece of luggage is 20%. What is the standard deviation for number of lost pieces of luggage out of 100?

The probability of a blue car in a parking lot is 40%. How many cars out of 50 should one expect?

Tags

CCSS.7.SP.C.6

The probability of a blue car in a parking lot is 40%. What is the standard deviation for number of cars one should expect out of 50?

The probability of a person with a heart condition is 18%. How many people out of 25 should one expect to have a heart condition?

Tags

CCSS.7.SP.C.6

The probability of a person with a heart condition is 18%. What is the standard deviation for number of people with a heart condition out of 25?