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Effectus [21]
3 years ago
12

Simply 736:1054 thank you

Mathematics
2 answers:
Mariana [72]3 years ago
7 0
368/527 is the answer I think
mihalych1998 [28]3 years ago
4 0

Answer:

368/527

Step-by-step explanation:

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On a recent holiday evening, a sample of 500 drivers was stopped by the police. Three hundred seventy-five were under 30 years o
Grace [21]

Answer:

Joint probability table :

_____ A _____ A'

_ Y_ 0.45 ___ 0.30

_ Y'_ 0.05___ 0.20

No

No

Step-by-step explanation:

Given :

Sample, size n = 500

A = driver is under the influence of alcohol :

Y = driver is less than 30 years old

P(A) = 275 / 500 = 0.55

P(Y) = 375 / 500 = 0.75

P(AnY) = 225 / 500 = 0.45

P(YnA') = (1 - 225/375)*0.75 = 0.4 * 0.75 = 0.30

Joint probability table :

_____ A _____ A'

_ Y_ 0.45 ___ 0.30

_ Y'_ 0.05___ 0.20

To determine if it is mutually exclusive : P(AnY) = 0

P(AnY) = 0.45 ; hence, it is not mutually exclusive

For A and Y to be independent ; P(A|Y) = P(A) ;

P(A|Y) = P(AnY) / P(Y)

P(A|Y) = 0.45 / 0.75 = 0.6

Hence, A and Y are not independent.

7 0
3 years ago
Please I need answer
Nastasia [14]

Answer:

I'm not 100% sure but I believe the answer is (B)

Step-by-step explanation:

3 0
3 years ago
Solve for x. help please lol
Readme [11.4K]
Maybe you should try 18 it might work because it will all be equal






7 0
3 years ago
Read 2 more answers
Determine whether the mapping diagram shown below represents a<br> function<br> 27 points
asambeis [7]

Answer:

Not a Function

Step-by-step explanation:

Each y-value has 2 x-values. It is supposed to only have one. hope this helped you!! Give brainliest

3 0
3 years ago
Who developed the first satellite<br>​
LenaWriter [7]

Answer:

Russia

Step-by-step explanation:

Russia made the Sputnik satelite

7 0
3 years ago
Read 2 more answers
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