It is estimated that 30% of households own a riding lawn mower. a sample of 17 households is studied. what is the standard deviation of households who own a riding mower. round to the nearest hundreths. (hint: binomial)

1.89 is the standard deviation of households who own a riding mower

Step-by-step explanation:

Let the random variable X denote the number of households owning a riding lawn mower. From the given information, X will be a Binomial random variable with parameters; n = 17 and  p = 30% = 0.3

The standard deviation of X;

step-by-step explanation:

ok one would be money, and the other would be refreshments or something similar. if each bag of popcorn is 5.00 and each drink is half of that that means drinks are 2.50 the proper way to do that would to look and see how much of each you can buy without exceeding a limit of 30.00

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8