If np is greater than or less than 5 and nq is greater than

If np is greater than or less than 5 and nq is greater than or less than 5 estimate p(more than 4) with n=14 and p=0.7 by using the normal distribution as an approximation to the binomial distribution if np < 5 or nq < 5, hen state hat the normal approximation isnot suitable

A) P(more than 4) = ____ (round 4 decimal places

or

B) the ormal distributio cannot be used

Solution

Since n*(1-p)= 14*0.3 =4.2 is less than 5, the normal distributio cannot be used

Answer: B)the normal distributio cannot be used