in Education by
The probabilities that a typist will make 0, 1, 2, 3, 4 and 5 or more mistakes in typing a report are respectively, 0.12, 0.25, 0.36, 0.14, 0.08 and 0.11. Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Sum of these probabilities must be equal to 1. P(0)+P(1)+P(2)+P(3)+P(4)+P(5) =0.12+0.25+0.36+0.14+0.08+0.11=1.06 which is greater than 1, So, it is false statement.

Related questions

0 votes
    Three events A, B and C have probabilities 2/5, 1/3 and 1/2, respectively. Given that P(A ∩ C) = 1/5 and P(B ∩ ... | B) and P(A'∩ C'). Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
    The probabilities of the occurrences of two events E1andE2 are 0.25 and 0.50 respectively. The probability of their ... nor E2 occurs. Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
    For a loaded die, the probabilities of outcomes are given as under: P(1) = P(2) = 0.2, P(3) = P(5) ... or not A and B are independent. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
    For a loaded die, the probabilities of outcomes are given as under: P(1) = P(2) = 0.2, P(3) = P(5 ... events A and B are independent. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
    Two aeroplanes I and II bomb a target in succession. The probabilities of I and II scoring a hit correctly are 0.3 and ... 0.06 D. 0.14 Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
    The probabilities of A, B, C solving a problem are 1/3, 1/4 and 1/6, respectively. If all the three try ... one of them will solve it. Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
0 votes
0 votes
    In a large metropolitan area, the probabilities are 0.87,0.36,0.30 that a family (randomly chosen for a sample ... both kinds of sets? Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
...