# Robert Arnold

Statistics teacher | Tutor for 7 years

I hold a degree in Statistics from Southwestern University. With a passion for data analysis and a commitment to academic excellence, I offer comprehensive tutoring in statistics. My expertise spans various statistical methodologies, from probability theory to regression analysis. I thrive on helping students grasp complex statistical concepts and excel in their coursework. Whether it's understanding hypothesis testing or mastering data visualization techniques, I provide personalized guidance tailored to each student's learning needs. Let's embark on a journey of statistical discovery together!

## Questions

How do you find the number of distinguishable permutations of the letters HONEST?

What hypothesis test do you use when the population variance is unknown?

In a statistics class there are 11 juniors and 6 seniors; 4 of the seniors are females, 6 of the juniors are males. If a student is selected at random, what is the probability that the student is either a senior or a male?

If you flip one coin four times what is the probability of getting at least two tails?

What's the difference between a binomial, hypergeometric, and Poisson probability distribution?

We have three cars with four people in each car. If the car owner must occupy their own car, how many arrangements of the people are possible?

You keep track of the time you spend doing homework each evening. You spend 58 minutes, 36 minutes, 44 minutes, and 37 minutes. How do you find the mean of these times?

How does American obesity compare to obesity worldwide?

What is the standard deviation of {44, 46, 33, 10, 50, 27}?

In how many ways can the letters in “Mississippi” be arranged?

The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. The probability of a player weighing more than 241.25 pounds is?

Brock scored the following number of goals in her soccer games: 2, 3, 1, 0, 3, 2,1, 2. What is the mean of the data?

Can someone help me solve this?

What is another name for mutually exclusive events?

- Solving Permutations and Combinations. In how many ways can seven books be arranged on a shelf if the books are different and four particular books must be together?
- What does "correlation vs causation" mean in statistics?
- Given the set: # {-1,6,4,11,x,-7} #, for what x would the mean of the set be 1?
- What is the probability that you draw 3 cards and you selected 3 aces from a deck of 52 cards?
- Assume that a gallon of milk bought at the store goes bad some time in the interval from 5 days to 10 days after purchase. What is the probability that it goes bad less than 4.5 days after purchase?