What is the probability of seeing no infant deaths if we randomly examine 500 live births? 4. Using the information from above, what is the

What is the probability of seeing no infant deaths if we randomly examine 500 live births? 4. Using the information from above, what is the probability of seeing at most three infant deaths? 5. The old faithful geyser at Yellowstone National Park has an average of 15 eruptions a day. Only 40% of these eruptions last longer than 2 minutes. For each of the following random variables, write down the distribution and the PMF. (Identify all parameters) What are the expectation and variance?