1..Assume that the test scores from a college stats class are normally distributed with a mean of =74.0 and a standard deviation of =12.5. If 4 test scores are randomlyselected, find the probability that they have a mean less than 78.

2..The probability that a radish seed will germinate is 0.7. Estimate the probability that of 140 randomly selectedseeds, exactly 100 will germinate. Round to four decimal places.