The length of time to find a parking space at 9 A.M. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes (that is, X~N(5,2)). Seventy percent of the time, it takes more than how many minutes to find a parking space?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1 days ((that is, X~N(5.3,2.1)). What is the z-score for a patient who takes 10 days to recover?

In a Pew Research Center Poll, 73% of the 3011 adults surveyed said that they use the internet. The set of all American adults is called a

pdf of discrete random variable x         x   P(X=x) 0           ? 1 0.1 2 0.2 3 0.3 P(X=0) is most nearly

Consider the following list of numbers: • 14; • 16; • 16; • 22; • 25; • 38; • 38; • 38; • 38; • 2000 In this list, the number 25 is most nearly 

In a Pew Research Center Poll, 73% of the 3011 adults surveyed said that they use the internet. The set of 3011 adults surveyed is called a

List the conjugate acid or conjugate base for the acid HCOOH

A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. Record each step needed to calculate the number of moles of all elements present in the sample.

When you conducted the Charle’s Law experiment, which variables were held constant?  

What are the conjugate acids and conjugate bases of ammonia (NH3) ?