1. A certain insecticide kills 60% of all insects in laboratory experiments. A sample of 15 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly 8 insects will survive? Round your answer to four decimal places.

2. A certain insecticide kills 50% of all insects in laboratory experiments. A sample of 11 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly one insect will survive? Round your answer to four decimal places.

3. A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 8 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly one insect will survive? Round your answer to four decimal places.

4. A certain insecticide kills 80% of all insects in laboratory experiments. A sample of 14 insects is exposed to the insecticide in a particular experiment. What is the probability that no insect will survive? Round your answer to four decimal places.

5.A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 11 insects is exposed to the insecticide in a particular experiment. What is the probability that exactly 2 insects will survive? Round your answer to four decimal places.