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Nady [450]
2 years ago
5

On a multiple choice test, problem 1 has four answer choices and problem 2 has three choices. Each problem has only one correct

answer. What is the probability of randomly guessing the correct answer to both problems?
Mathematics
1 answer:
likoan [24]2 years ago
5 0

Answer:

the probability is 28.6% that you get both correct

Step-by-step explanation:

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A computer randomly selects a number from the given set. {1, 2, 5, 10, 25, 30, 36} What is the probability that an even number i
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GarryVolchara [31]

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Yes

Step-by-step explanation:

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8 0
3 years ago
100 people who were surveyed and asked the question: ``Is fuchsia kinda pink, or purply?'' Of them, 60 believe that fuchsia is `
Kay [80]

Answer:

50

Step-by-step explanation:

Let the event of people who believe that fuchsia is pink = A

Let the event of people who believe that fuchsia is purply = B

  • Since 100 people were surveyed, the Universal Set =100
  • 60 believe that fuchsia is ``kinda pink'', n(A)=60
  • 27 believe it is both ``kinda pink,'' and also ``purply.'': n(A \cap B) =27
  • 17 think that fuchsia is neither ``kinda pink'' nor ``purply. n(A \cup B)'=17

We want to determine the number of those who believe that fuchsia is ``purply'', n(B).

In set theory, we have:

U=n(A)+n(B)-n(A\cap B)+n(A \cup B)'\\100=60+n(B)-27+17\\100=50+n(B)\\n(B)=100-50\\n(B)=50

Therefore, the number of those who believe that fuchsia is ``purply'' is 50.

5 0
3 years ago
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