Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Click the icon to view the data table. The mean is μ = C girl(s). (Round to one decimal place as needed.) The standard deviation is o= girl(s). (Round to one decimal place as needed.) Table of numbers of girls and probabilities Number of Girls x 0 2 3 5 6 7 8 P(x) 0.005 0.031 0.107 0.212 0.285 0.218 0.111 0.026 0.005 Q

Simultaneous

Consider the following loops on the Klein bottle. (1) Decide whether they are orientation reversing or preserving. Explain. (2) In each of the three case, cut the surface by the curve. What is the resulting surface for each case?

Differentiate