autumncoloredleaves
autumncoloredleaves autumncoloredleaves
  • 18-02-2019
  • Mathematics
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(URGENT) The probability distribution of a 3-coin toss is shown in the table.

What is the probability that the number of heads will be odd?


A 1/4

B 1/8

C 1/2

D 3/8

URGENT The probability distribution of a 3coin toss is shown in the table What is the probability that the number of heads will be oddA 14B 18C 12D 38 class=

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jimthompson5910 jimthompson5910
  • 18-02-2019

Answer: C) 1/2

We're looking for the probabilities of getting 1 head or 3 heads, which have the probability values of 3/8 and 1/8 respectively

Add those probabilities: 3/8 + 1/8 = (3+1)/8 = 4/8 = 1/2

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-02-2019

Answer:

C 1/2

Step-by-step explanation:

P (heads is odd)

P (heads is 1 or 3)   When it is an or, we add the probabilities

P (heads is 1) + P (heads is 3)

3/8 + 1/8

4/8

1/2

Answer Link

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