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;

where is the image?

step-by-step explanation: