12E} bats are independentlyr sampled from a population. If 25% ofthe bats in the population are infected by coronaviruses, what is the expected number of infected bats in the sample? If) None of the other answers Question 9 1 pts 120 bats are independentlyr sampled from a population. If 25% ofthe bats in the population are infected by coronaviruses. what is the SD of the number of infected bats in the sample? Q 434 Q 5.43 Q 9.49 Q so If] None of the other answers Question 10 1 pts 120 bats are independently sampled from a population. If 25% of the bats in the population are infected by coronaviruses, which possible numbers of infected bats in the sample are within one standard deviation of the mean? 25, 26, 27,...,35 26, 27, 28,..., 34 20, 21, 22,..., 40 21, 22, 23,..., 39 Question 11 1 pts 120 bats are independently sampled from a population. If 25% of the bats in the population are infected by coronaviruses, what is the probability that the number of infected bats in the sample is within one standard deviation of its mean? O 0.747 O 0.754 0.956 O 0.974