Question

If the probability of success is 0.5 percent then probability of failure is (a) - 0.95
(b) - 0.095
(c) - 99.5
(d) - 0.995

Answer 1

Required probability% = 100-0.5
=95.5%=95.5/100=0.955 Plz mark as the brainliest

Answer 2

The probability of failure is 0.995.

Option (d) is correct.

Given:

• The probability of success is 0.5%.

To find:

• The probability of failure is
• (a) 0.95
• (b) 0.095
• (c) 99.5
• (d) 0.995

Solution:

We know that,

Probability of happening and not happening of an event is 1, so if the probability of an event P(E) and the probability of not happening is $P( \overline E)$

Then,

$\bf P( E)+ P( \overline E) = 1$

Step 1:

Find the probability of success.

It is given that,

Probability of success is 0.5 %.

So,

$0.5 \%= \frac{0.5}{100}$

$0.5 \% = 0.005$

Thus,

Probability of success is 0.005.

Step 2:

Find the probability of failure.

$0.005+ P( \overline E) = 1$

$P( \overline E) = 1 - 0.005$

$\bf P( \overline E) = 0.995$

Thus,

The probability of failure is 0.995.

Option (d) is correct.

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