Gabriel Allred

Gabriel Allred

The University of Texas Health Science Center at San Antonio

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.


  • Which statement is true about the population of the town?
  • On a standardized test with a normal distribution, the mean was 64.3 and the standard deviation was 5.4. What is the best approximation of the percent of scores that fell between 61.6 and 75.1? 1) 38.2% 2) 66.8% 3) 68.2% 4) 95%
  • Jeannie's scores on her first four tests were 80, 65, 87, and 75. What will she have to score on on her next test to obtain an average of at least 80 for the term?
  • Normal probability Distribution question from a small sample?
  • What is the probability of getting 6 girls in 8 births?
  • On an ogive to find median you just divide the sum of the frequency by two then draw your line across and down. Do you have to plus 1 to the sum of the frequency then divide by two, or when do you have to plus 1 and divide by 2 to get the median?
  • How many different words can be found by jumbling the letters in the word' MISSISSIPPI'in which No 2 S are adjacent?
  • How can i calculate p(x,y)? (details inside)
  • I flip a coin 10 times and I get 8 heads. what the propability of the 11th flip to be tails?
  • There are four balls of different colour and four boxes of colour same as those of the balls one in each box could be placed such that a ball does not go to box of its own colour is?
  • Suppose the probability of rain tommorw is 80%. what are the odds of rain tommorrow?
  • A study of 36 camels showed that they could walk an average rate of 4.2 km/hr. the sample standard deviation is .64. Find the 90% confidence interval for mean of all camels?
  • What do you get when you divide a category's frequency by the sum of all the frequencies for the relevant variable?
  • The coach says that the probility of winning the next game is 40%. what are the odds that team will win?
  • Can you help me with this algebra 2 question?
  • Alan, Betty and Carol are applying for three different jobs in a company. The probability that Alan gets his job is 0.5; the probability that Betty gets her job is 0.75; the probability that Carol gets her job is 0.3. Can anyone solve this?
  • If there are 20 values in a data set in order from smallest to largest, what is the median of the data set?
  • What is the #Z#-score value that separates the top #70%# of a normal distribution from the bottom #30%#?
  • What is the CRITICAL VALUE for a one-tailed t-test with df=54 and α=.05 ?
  • How can convenience samples be biased?