A) The proportion of subjects who answered the last question oftheir survey as "Very Satisfied" is 0.80. The hospital is hoping toincrease that proportion to 0.9 and they consider a change in theproportion of 0.10 to be significant. For an alpha of 0.05 and apower of 80%, calculate the number of surveys they would need tocollect in order to detect a difference. 4) Proportion of subjectswho answered the last question of their survey as "Very Satisfied"is 0.80. The hospital is hoping to increase that proportion to 0.9and they consider a change in the proportion of 0.10 to besignificant. For an alpha of 0.01 and a power of 80%, calculate thenumber of surveys they would need to collect in order to detect adifference.
B) Proportion of subjects who answered the last question oftheir survey as "Very Satisfied" is 0.80. The hospital is hoping toincrease that proportion to 0.9 and they consider a change in theproportion of 0.10 to be significant. For an alpha of 0.01and a power of 80%, calculate the number of surveys they would needto collect in order to detect a difference.