Classify each of these data items as discrete or continuous: weight of semi trucks on I-90, number of gallons the trucks use in a day, the number of trucks that stop at the weigh stations on I-90

Find P(-.35 < z < 1.17).

If the z-score of normally distributed data is 1.28, the mean is 100, and the standard deviation is 18, what is the x-value?

The weight of horses is normally distributed with a mean of 1850 lbs and a standard deviation of 22 lbs. What is the probability a horse will weigh more than 1900 lbs.?

Find P(x > 11) if the mean is 8 and the standard deviation is 1.2 for normally distributed data.

Find the z-score for normally distributed data with a mean of 22.4, a standard deviation of 3.8, and an x-value of 15.3.

The University of Tennessee pitchers throw strikes 72% of the time. If they throw 10 pitches, what's the probability 7 of them are strikes?

You are going to play a coin flipping game that costs $2 to play. You flip 2 coins. If you win $1.50 for each heads you flip, but nothing for tails, what is your expected value? Is this game fair?

About 64% of all murder victims know their murderer. If there are 10 victims, what is the probability exactly 6 of them knew their murderer?

What is the P(z < -.16) or P(z > .16)