Anthony Arnold
Statistics teacher | Tutor for 9 years
I graduated from the University of Arkansas with a degree in Statistics. My expertise lies in deciphering complex data patterns and providing clear insights. With a passion for numbers and analysis, I thrive on helping students conquer statistical challenges. Whether it's probability, hypothesis testing, or regression analysis, I'm here to demystify the world of statistics. Through tailored instruction and practical examples, I aim to equip students with the skills they need to excel in their academic and professional endeavors. Let's embark on this statistical journey together, where every question leads to deeper understanding.
Questions
Help w/ Another Tree Diagram Question?
The commuting time for all employees of a company has a normal distribution with a mean of 44.6 minutes and a standard deviation of 11.2 minutes. What is the probability that the mean computing time by a sample of 12 employees is between 43.26 and 49.35?
You get a mosquito bite. Is this event dependent or independent of the mosquito landing on your arm?
The third quartile, denoted #Q_3#, is the data value such that what percent of the values are below it?
A biology quiz consists of 14 multiple-choice questions. Nine must be answered correctly to receive a passing grade. If each question has 4 possible answers,what is the probability that a student who guesses at random will pass?
What is the median of the following numbers?: 13, 15, 26, 11, 26, 16, 12,
Three people go to the market in the morning with the following probabilities: 1/2, 2/3, and 3/4. What is the likelihood that two go to the market on a given morning?
The grade point averages for 10 randomly selected junior college students are 2.0, 3.2, 1.8, 2.9, 0.9, 4.0, 3.3, 2.9, 3.6, 0.8. Assume the grade point averages are normally distributed. What is the 98% confidence interval for the true mean?
You take a sample of 144 observations and have a value of x bar equal to 59. The population mean is 68 and the population standard deviation is 36. What is the z score of your sample mean?
How to solve extended response question using probability?
A coin is tossed 12 times. What is the probability of getting exactly 6 tails?
A garden store recently sold 511 seed packets, including 146 pepper seed packets. What is the experimental probability that the next seed packet sold will be a pepper seed packet?
- Find the total number of ways in which a beggar can be given at least one rupee from four 25paise coins,three 50paise coins & 2 one rupee coins ? (1rupee=100paise)
- What is the median of the following numbers: 15, 8, 3, 5, 6, 11?
- What is the difference between a discrete random variable and a continuous random variable?
- A couple wants to have 3 kids. What is the probability all three kids are girls?
- How do you calculate the range of a data set?
- How to find mode of the following frequency distribution?
- Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does
- If you regress random variable Y against random variable X, would the results be the same if you regressed X against Y?