G If the economy improves, a certain stock stock will have a return of 23.4 percent. If the economy declines, the stock will have a loss of 11.9 percent. The probability of the economy improving is 67 percent while the probability of a recession is 33 percent. What is the standard deviation of the returns on the stock

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?