# Probability of event occurring

a)Probablity an event is likely to occur?

b) P of an impossible event?

c) Sample space consists of 25 separate events equally likely. What is P of each?

d) True/False test. P of correct if a random guess?

e)Multiple choice test with 5 possible answers for each, P of getting correcdt of random guess?

https://brainmass.com/statistics/probability/probability-event-occurring-21135

#### Solution Preview

a.)

<br>Probablity an event is likely to occur

<br>= no. of cases in favour of event/total sample space size

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<br>--Answer

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<br>b.)

<br>P of an impossible event = 0 (no event in favour of ...

#### Solution Summary

a)Probablity an event is likely to occur?

b) P of an impossible event?

c) Sample space consists of 25 separate events equally likely. What is P of each?

d) True/False test. P of correct if a random guess?

e)Multiple choice test with 5 possible answers for each, P of getting correcdt of random guess?