# Gabriel Allred

The University of Texas Health Science Center at San Antonio

Statistics

Statistics teacher | Verified Expert

With a Statistics major from The University of Texas Health Science Center at San Antonio, my passion lies in demystifying numbers and fostering a deep understanding of mathematical concepts. As an experienced tutor, I excel in breaking down complex statistical theories into digestible bits, empowering students to conquer any data-related challenge. My approach focuses on personalized guidance, tailored to individual learning styles, ensuring every student reaches their full potential. Let's embark on a journey of statistical mastery together.

## Questions

- How do I find #z# for a given confidence level #alpha#?
- A dice is rolled. What is the probability of P(odd)?
- If 2nP3=100×nP2 find n?(This is a question from permutation)
- How do you solve it?
- 8 people are divided evenly into 2 groups, find the number of ways to divide them?
- Find the z-scores for which 49.72% of the standard normal distribution's area lies between -z and z?
- A pharmaceutical company claims that a new drug is successful in relieving arthritic pain in 70% of patients. Suppose that the claim is correct. The drug is given to 10 patients. What is the probability that 8 or more patients experience pain relief?
- Factorials and Combinations is always an intimidating topic for me. Help?
- How many ways can you choose a 8 digit passcode where all the digits are multiples of 2? (zero is NOT a multiple of 2)
- If I cannot put 2 successive black blocks on top of white and black blocks, In how many different ways can you build a tour of blocks of height N?
- How can i calculate the odds of a current passing in an electrical circuit in regards to a certain switch?
- There are 11 tokens in a bag. 6 of them are green 5 of them are red some more red tokens are put into the bag. a token is taken out from the bag at random. the probability that the counter is red is 3/5 How many red tokens where put in the bag ?
- There are 20 students in a class with 7 boys . (a) In how many different ways can a team of 2 boys and 6 girls formed ? (b) In how many different ways can a team of 6 be formed such that there is a least one boy and at least one girl in the team ?
- How can I find the probability?
- How do you calculate the mean, median, and mode of 7, 3, 2, 1, 13, 8, 1, 5, 14, 11, 15?
- How many different arrangements can be made with the letters from the word SPACE?
- Which value is NOT always a number in the data set it represents? confuseeddd please answer!
- If I am trying to draw a queen from a deck of 52 cards and I have drawn one card with no luck, what is my probability of drawing a queen now?
- A bag contains 15 balls. 9 white , 4 black and 2 green. a)We pick 7 balls. Whats the probability that the balls color ratio will be the same as in the bag ?
- Suppose you roll two dice. What is the probability of rolling a sum of 8?