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Komok [63]
4 years ago
7

Which event has a probability other than 1/2?

Mathematics
2 answers:
Vadim26 [7]4 years ago
7 0

Answer:

Option B.

Step-by-step explanation:

In the given events lets find out the event that has a probability other than 1/2.

A. Flipping a coin gives result of head or tail, so the probability of the result of tails is 1/2.

B. Choosing a vowel from a bag of tiles that contains one of each letter of the alphabet, so the probability of choosing vowel is 5/26.

C. A cube that has numbered from 1 to 6, there are 3 even numbers and 3 odd numbers, so the probability of rolling even number is 3/6 or 1/2.

D. There is 26 red cards in a standard deck of 52 cards, so the probability of choosing red card is 26/52 or 1/2.

Therefore, events A, C and D gives result of 1/2 and B other than 1/2

So Option B is the correct answer.

monitta4 years ago
6 0

Answer:

B.Choosing a vowel from a bag of titles that contains one of each letter of the alphabet

Step-by-step explanation:

I just did the test.

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A

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It's obviously the real answer

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The ratio of green marbles to red marbles in a bag is 5 to 6. If there is 30 green marbles how many red marbles are there?
givi [52]

Answer: 36

Step-by-step explanation:

6 0
3 years ago
You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Y
Luda [366]

Answer:

T = 4.541

Step-by-step explanation:

We don't have the standard deviation for the population, so we use the t-distribution.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 4 - 1 = 3

98% confidence interval

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6 0
3 years ago
Kira's chocolate bar is
erik [133]
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6 0
3 years ago
ABC is an equilateral triangle .Three distinct points are marked on each sides of the triangle. (not on the vertices). (i) How m
iVinArrow [24]

The number of lines and triangles illustrates combination

  • 36 lines can be drawn to join the nine points
  • 84 triangles can be drawn using the nine points

<h3>The number of lines that can be drawn</h3>

The given parameters are:

Total points, n = 9

Total points on each line, r = 2

The number of lines that can be drawn is then calculated  using the following combination formula

Lines = nCr

This gives

Lines = 9C2

Evaluate the combination expression

Lines = 36

Hence, 36 lines can be drawn to join the nine points

<h3>The number of triangles that can be drawn</h3>

The given parameters are:

Total points, n = 9

Total points on each triangle, r = 3

The number of triangles that can be drawn is then calculated  using the following combination formula

Triangles = nCr

This gives

Triangles = 9C3

Evaluate the combination expression

Triangles = 84

Hence, 84 triangles can be drawn using the nine points

Read more about combination at:

brainly.com/question/11732255

4 0
2 years ago
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