Question

If P(e) = 0.44 then P(not e) will be

Answer 1

P('not e') =  0.56 if  P(e) = 0.44

Given:

• P(e) = 0.44

To Find:

• P (" not e")

Solution:

• Probability of an event  = n(E)/n(S)  
• n(E) = number of possible outcome of event
• n(S) = number of possible sample space outcome
• P(E) + P('not E') = 1

Complement of an Event

Complement of an event is the set of all possible outcomes that are not included in the outcomes of an event.

Probability of the Complement

The following is true for the probability of the complement of event E

P("not E") = 1 - P(E)

Step 1:

Use the formula of complement of Probability

P('not e') =  1 - P(e)

Step 2:

Substitute  P(e) = 0.44

P('not e') =  1 - 0,44

Step 3:

Calculate the Value

P('not e') =  0.56

Hence P('not e') =  0.56 if  P(e) = 0.44

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Answer 2

Answer:

if p(e)=0.44 then p(not e)=0.56