According to the Centers for Medicare Medicaid Services 16

According to the Centers for Medicare & Medicaid Services, 16% of nursing homes received five stars in overall ratings in 2011. A random sample of six nursing homes was selected. What is the standard deviation of this distribution?

0.898

1.035

1.569

1.959

Solution

Given, 16% of nursing homes received five stars in overall ratings in 2011.

P= 16/100 = 0.16; Q = 1-0.16 = 0.84

Standard deviaiton of the distribution = sqrt(n*P*Q) = 0.898