A bag has 4 plain doughnuts, 6 glazed doughnuts, and 8 chocolate doughnuts. Probability of selecting a glazed doughnut.
What is 1/3 = 0.3333
100
My UTC ID consists of 3 letters followed by 3 digits chosen from 0--9. How many possible IDs can UTC assign to students? Assume repetition is allowed.
What is 26.26.26.10.10.10 = 17,576,000?
100
A population has mean 34 and standard deviation 3.5. You pick a sample of size 49 to construct a 95% confidence interval. What is the margin of error?
What is 0.98?
200
I had A in biology, C in Math, and B in Statistics last semester. Credit hours = 3 in each case.
If A = 4, B = 3, and C = d in quality points, then my GPA =
What is 3.00
200
I'm the Ruler of experiments. My rules are used to describe the distribution of bell-shaped data.
What is Empirical Rule
200
In a class of 45 students, 20 have iphones, 35 have Android phones, and 15 have both types of phones. A student is randomly selected. The probability that the student has only an Android phone.
What is 4/9 = 0.4444
200
Lexus wants to plant flowers on the front lawn. She has 3 red and 3 blue tulip bulbs. What is the probability that Lexus plants the 6 bulbs in a row so that the colors are alternating?
What is 2 out of 6!/(3!3!) = 2/20 = 0.10
200
You want to estimate the mean amount students at UTC spend for lunch. You want to be 98% confident and the maximum error to be at most $0.75. What is the minimum sample size you need? Assuming the population standard deviation is 1.95.
What is 37?
300
Mode of 2,4,3, 4, 3, 2, 2, 4, 3
What is No Mode
300
Find the 3rd quartile: 2, 4,3,6,4,7,8, 3, 9
What is 7.5?
300
I quantify chance. I like outcomes that are equally likely.
What am I?
What is Classical Probability?
300
How many ways can letters in the word Chattanooga, the Scenic City, be arranged?
What is 1,663,200
300
The city council of Gumma wants to build a road around the city. The council wants to know if the majority of the residents are in favor of the proposal. Give the hypothesis statements.
What is Ho: p <= 0.50 vs H1: p > 0.50 (claim)
400
What is the most appropriate measure of center for the following:
Prices of cars at lot 12: Dodge Caravan, Toyota 4Runner, Ford Explorer, Honda Accord, Xtera, Ferrari F430
What is Median
400
I measure the 50% of a data set
What is Inter-quartile Range
400
A basket contains 4 apples and 7 oranges.
I randomly select two fruits with no replacement. What is the probability that the both are oranges?
What is (7/11)(6/10) = 42/110 = 0.3818
400
12C3 = 12 combination 3
What is 220
400
When do we make a Type II Error?
What is Failing to reject Ho, when Ho is false.
500
Find the median: 12, 10, 19, 7, 16, 15
What is 13.5
500
I have two populations.
Population 1 data: mean = 4.6, standard dev = 1.23
Population 2 data: Mean = 75.89, standard dev. = 19.73
Which is more spread out and why?
What is Population 1; CV = 26.74% while that of two is 26%
500
If A and B are mutually exclusive, then A and B =
What is Empty set?
500
A club has 10 members. How ways can the president, vice president, and secretary be chosen?
What is 720
500
Janny rolled two dice. What is the probability that she gets a sum equal to 14?