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Drupady [299]
3 years ago
12

A building company bids on two large projects. The CEO believes the chance of winning the 1st is 0.6, the chance of winning the

2nd is 0.5, and the chance of winning both is 0.3. What is the chance of winning at least one of the jobs?
Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer:

0.8

Step-by-step explanation:

A: P(1) = .6, P(2) = .5, P(1 and 2) = .3

P(1 or 2) = P(1) + P(2) - P(1 and 2) .6 + .5 - .3 = 0.8

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Suppose the names of the months of the year are placed in a hat and a name is drawn at random. (a) list the sample space for thi
ollegr [7]

(a)

The sample space is a set whose elements are all the possible outcomes for the experiment. Since we will extract one of the months of the years, the sample space is the set composed by all the 12 months:

\Omega = \{ \text{January},\ \text{February},\ldots,\text{December}\}

(b)

An event is a subset of the sample space. Events are often defined by their properties. In this example, the event E is the subset of the sample space defined as

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(c)

If all outcomes have equal probability, then the probability of an event is the ratio bewteen its cardinality, and the cardinality of the whole sample space:

P(E) = \dfrac{n(E)}{n(\Omega)} = \dfrac{3}{12} = \dfrac{1}{4}

In words, since there are three months beginning with J out of 12 months, we have a probability of 3 over 12 to pick a month starting with J, which simplifies to 1 over 4.

3 0
3 years ago
The regular price of a television set is $1,200. Albert buys the television set at a discount of 35% . How much does he pay for
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He pays $780 for the television set.

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3 years ago
14 mm<br> 29 mm<br> Calculate the surface area.
tino4ka555 [31]

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Step-by-step explanation:

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60. 

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