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
It is not possible to determine the correct answer without additional information on the number of students who preferred a visual learning style and the total number of student-participants in the survey.
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.