Write a ratio that compares the number of students who preferred a visual learning style to the number of student-participants of the survey. Write your answer in the simplest fraction form.(1 point)
Responses
20
20
2/5
2/3
3/5
Each letter of the word movers is written on an individual paper strip and placed in a box. Which set represents the favorable outcomes of the event of randomly choosing a consonant letter?(1 point)
Responses
{m, o, v, e, r, s}
{m, o, v, e, r, s}
{v, r, s}
{v, r, s}
{o, e}
{o, e}
{m, v, r, s}
{m, v, r, s} represents the favorable outcomes of the event of randomly choosing a consonant letter.
A calculator manufacturing company checks 500 calculator units, and 25 of them have non-functioning keys. Approximate the relative frequency of a non-defective unit from this batch of items. Express your answer in the simplest form of a fraction.(1 point)
Responses
120
Start Fraction 1 over 20 End Fraction
475500
Start Fraction 475 over 500 End Fraction
1920
Start Fraction 19 over 20 End Fraction
25500
Start Fraction 25 over 500 End Fraction
Start Fraction 19 over 20 End Fraction represents the relative frequency of a non-defective unit from this batch of items.
You toss a coin 50 times and get 12 tails. What is the empirical probability of getting heads? Write your answer in percent form.(1 point)
Responses
0.76
0.76
1925
Start Fraction 19 over 25 End Fraction
24%
24%
76%
76% is the empirical probability of getting heads.
A quality controller inspected 1,000 units of a product and rejected 150 units due to defects. Approximate the empirical probability that a unit will pass the inspection.(1 point)
Responses
1720
Start Fraction 17 over 20 End Fraction
0.15%
0.15%
1.5%
1.5%
320
Start Fraction 3 over 20 End Fraction
Start Fraction 17 over 20 End Fraction approximates the empirical probability that a unit will pass the inspection.
In which scenario is the experimental probability equal to the theoretical probability?(1 point)
Responses
A coin is flipped six times and the head appears five times.
A coin is flipped six times and the head appears five times.
A coin is flipped six times and the head appears each time.
A coin is flipped six times and the head appears each time.
A coin is flipped six times and the head appears four times.
A coin is flipped six times and the head appears four times.
A coin is flipped six times and the head appears three times.
A coin is flipped six times and the head appears each time is the scenario where the experimental probability is equal to the theoretical probability.
As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities: skiing, snow tubing, or sleigh rides. Participants have an equal chance of receiving each type of coupon. If 900 people participate, how many would be expected to receive a coupon for sleigh rides?(1 point)
Responses
450
450
600
600
23
Start Fraction 2 over 3 End Fraction
300
300
300 people would be expected to receive a coupon for sleigh rides.
The sample space of an experiment is S={a, b, c, d, e, f}. What is the probability of picking a consonant? Write your answer in the simplest fraction form.(1 point)
Responses
13
Start Fraction 1 over 3 End Fraction
23
Start Fraction 2 over 3 End Fraction
26
Start Fraction 2 over 6 End Fraction
32
Start Fraction 2 over 3 End Fraction represents the probability of picking a consonant.
Use the table to answer the question.
Letters M O D E L S
Probability 16 16 16 16 16 16
Use the uniform probability model to find the probability of selecting a vowel letter from the word MODELS.
(1 point)
Responses
136
Start Fraction 1 over 36 End Fraction
23
Start Fraction 2 over 3 End Fraction
13
Start Fraction 1 over 3 End Fraction
16
Start Fraction 1 over 3 End Fraction represents the probability of selecting a vowel letter from the word MODELS.
A deck of 10 cards labeled 1–10 is shuffled. One card is selected at random. If the experiment is repeated 120 times, how many times will you expect to select number 5?(1 point)
Responses
1120
Start Fraction 1 over 120 End Fraction
10
10
12
12
110
12 times will you expect to select number 5.
Letter tiles H, O, N, E, S, T are shuffled and placed in a box. A letter is selected at random. What is the probability of selecting letter A?(1 point)
Responses
60
Start Fraction 6 over 0 End Fraction
1
1
16
Start Fraction 1 over 6 End Fraction
0