Consider the following binomial experiment: a study in a certain community showed that 9% of the people suffer from insomnia. if there are 10,500 people in this community, what is the standard deviation of the number of people who suffer from insomnia?

a) 85995.00
b) 30.74
c) 9555.00
d) 29.32
e) 945.00

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

What is the value of x? enter your answer in the box.

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2