assume that research indicates that small children watch an average of 25hrs of tv per week. assume tv watching time is normally distributed and with...

assume that research indicates that small children watch an average of 25hrs of tv per week. assume tv watching time is normally distributed and with alpha=3hrs. Randomly,select 20 children that,watch tv. calculate the probability that they will watch more than 26.3hrs of tv per week. ii)find the z value and p(z) value. 2) a sample has a mean of 93 and a standard deviation of 5.0, what raw score define the lower 15% of scores? ii) what raw score defines the upper 6% of scores? iii) what raw scores contain the middle 90% of scores?