1 The probability that I miss the bus to work on any day is 0.1.Whether I catch the bus on ay day is independent of whether I catch the bus on any other. For Monday and Tuesday last week, what is the probability that I missed the bus on both days. 0.81 0.1 0.01 0.9

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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1
The probability that I miss the bus to work on any day is 0.1.Whether I catch the bus on any day is independent of whether I catch the bus on
any other.
For Monday and Tuesday last week, what is the probability that I missed the bus on both days.
0.81
0.1
0.01
0.9
2
A bag contains 4 black counters and n white counters.
Two counters are taken from the bag at random without replacement.
The probability of 2 white counters is 1/12
Which of the following equations must be solved to find the value of n?
a) 2n2 – 2n – 5 = 0
b) 11п? — 23п -30 — 0
c) 11n2
19n2 – 20n – 12 = 0
19п — 12 — 0
d)
d)
c)
b)
a)
OOO0
Transcribed Image Text:1 The probability that I miss the bus to work on any day is 0.1.Whether I catch the bus on any day is independent of whether I catch the bus on any other. For Monday and Tuesday last week, what is the probability that I missed the bus on both days. 0.81 0.1 0.01 0.9 2 A bag contains 4 black counters and n white counters. Two counters are taken from the bag at random without replacement. The probability of 2 white counters is 1/12 Which of the following equations must be solved to find the value of n? a) 2n2 – 2n – 5 = 0 b) 11п? — 23п -30 — 0 c) 11n2 19n2 – 20n – 12 = 0 19п — 12 — 0 d) d) c) b) a) OOO0
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