Cameron Adams
Statistics teacher | Tutor for 5 years
With a degree in Statistics from the University of Houston-Clear Lake, my passion lies in unraveling the complexities of numbers. I specialize in making statistical concepts digestible and applicable across various subjects. Whether it's probability theory or data analysis, I'm here to guide students through every step. My approach fosters understanding and confidence, empowering learners to excel in their academic endeavors. Let's explore the world of statistics together, turning numbers into meaningful insights.
Questions
Dr. Sox drives through two stoplights on her way to work. The first light is green for 20 seconds out of each minute. The second light is green for 35 seconds out of each minute. What is the probability that Dr. Sox will hit two green lights?
In a class test where the mean was 62% and the standard deviation 12.6%, bob received 50%. What is his z-score?
How can regression analysis be used in business?
What is the difference between r and r-squared?
What is the range of the data: 0.167, 0.118, 0.541, 0.427, 0.65, 0.321?
What is the use of box and whisker plots?
There were five people in group A, with a mean lQ of 100, and five in group B, with a mean IQ of 74. When Jack left group A for group B, both means increased, and the total of the two new means was 180. What Is Jack's IQ?
What are the mean, median, and mode? What do they measure?
How can you use normal distribution to approximate the binomial distribution?
Suppose there is a population with the tradition that the women bear children until they have one boy. What would be the ratio of boys to girls in this population?
A class contains 5 boys and 6 girls. The teacher is told that 3 of the students can go on a school trip, and selects them at random. What is the probability that 3 members of the same gender are selected?
What is the probability that, in a single draw from a standard deck of cards, we will get either a Jack or a Diamond?
A family has 8 girls and 4 boys. A total of 2 children must speak on behalf of the family at a local benefit. What is the probability that at least one boy will be chosen?
There are 11 qualified applicants for 7 trainee positions in a fast-food management program. How many different groups of trainees can be selected?
Calculate the probability of flipping a coin 20 times and getting 4 heads. Round your answer to the nearest ten thousandth?
- A bag contains 4 red, 3 yellow and 2 purple discs. A disc is taken, at random, from the bag and is not replaced. A second disc is then taken, at random, from the bag. Calculate the probability that the two discs taken from the bag are different colours?
- Two dice are rolled, what is the probability that their sum will be less than 13?
- In a particular set of data,if you multiply each data value by 3 and then add 5, what effect will this have on the mean and standard deviation of the data set?
- Two dice are rolled. Find the probability that the faces are different given that the dice show sum of 10?
- Sue's average for 9 games of bowling is 108. What is the lowest score she can receive for the tenth game to have a mean of 110?