In a survey of nursing students pursuing a masters degree, 63 percent stated that they expect to [6]be promoted to a higher position within one month after receiving the degree. If this percentageholds for the entire population, nd, for a sample of 10, the probability that the number expectinga promotion within a month after receiving their degree is:(a) at least nine(b) no more than two.

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?