


Quinn Allen
Ottawa University
Statistics
Statistics teacher | Verified Expert
With a major in Statistics from Ottawa University, my passion lies in unraveling the complexities of numbers and making them accessible to all. As your dedicated tutor, I bring a wealth of knowledge to guide you through various subjects. Whether it's demystifying probability or clarifying statistical concepts, I'm here to help. Let's embark on a learning journey together, where understanding is the destination.
Questions
What is the probability of #X= 6# successes, using the binomial formula?
When a event is reported, the probability that is a negative event is 30%. What is the probability that 3 out of 5 reported events are negative?
- Make the truth table of the proposition ¬q→[(pΛq)V~p]?
- How do you find the number of permutations of 5 CDs if you have a total of 23 CDs?
- In how many ways 3 girls and 3 boys be seated in a row of 6 chairs if 1 boy and 1 girl refused to sit next to each other?
- What does qualitative, quantitative data, discrete, and continuous mean?
- How many solutions does the equation A+B+C=5 have if A, B, and C are non negative integers?
- How do you evaluate P(10,2)?
- The interquartile range of a data set is 10 units. What does this represent? A) There are 10 units below the lower quartile. B) The median value of the data set must be 10 units. C) There are 10 units between the upper and lower quartiles. D) The m
- A card is drawn from a standard deck. A second card is drawn, without replacing the first card. What is the probability that the first card is red and the second card is black?
- What is the harmonic mean?
- How does a census differ from a sample?
- Are measures of central tendency invariant to translation?
- If license plates have three numbers and three letters in any order, how many unique license plates can there be?
- A player's batting average in softball is .400. What is the probability he gets 3 hits in his next 5 at-bats?
- A coal company wants to determine a 95% confidence interval estimate for the daily tonnage of coal that they mine. Assuming that the standard deviation of daily output is 200 tons, how many days should they sample so that the margin of error is 39.2 tons?
- A box of light bulbs has 6 75W bulbs, 4 40W bulbs, and 5 60W bulbs. If 2 bulbs are taken from the box and one is a 75W bulb, what is the probability that both are 75W? If neither bulb is 75W what is the probability that both have the same wattage?
- Why is a sample statistic a random variable?
- Inside a bag are 6 red, 4 orange, 7 yellow, 3 purple and 4 green Skittles. What is the probability of drawing a green Skittle, replacing it, and then drawing another green Skittle?
- The mean is the most-used measure of center, but there are times when it is recommended to use the median for data display and analysis. When might it be appropriate to use the median instead of the mean?