Find the missing probability in the table below.

X 1 2 3 4

P(X) 0.40 0.20 0.20 ?

Question

majestywarlord majestywarlord

03-02-2017
Mathematics

Answered

Find the missing probability in the table below.

X 1 2 3 4

P(X) 0.40 0.20 0.20 ?

Verified Answer :

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MissPhiladelphia MissPhiladelphia · Answer 1 · 2017-02-08T09:38:56-05:00

Hi,thank you for posting your question here at Brainly.

Probability is a numerical value that represents a fraction of a whole. Since there are 4 samples indicated in row X, then there must be 4 probabilities corresponding to each. The sum of all those probabilities must equal to 1. With this information, we could already find the missing probability.

Summation of P = 1 = 0.40 + 0.20 + 0.20 + x

x = 1 - 0.4 - 0.2 - 0.2
x = 0.2 <-- missing probability

Find the missing probability in the table below.X 1 2 3 4P(X) 0.40 0.20 0.20 ?

Verified Answer :

Related Questions

Find the missing probability in the table below.

X 1 2 3 4

P(X) 0.40 0.20 0.20 ?