The lifespan of zebras in a particular zoo are normally distributed the average zebra lives 20.5 years the standard deviation is 3.9 years estimate the probability of a zebra living longer than32.2 years

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?