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Zinaida [17]
3 years ago
15

A map has a scale of 1 cm : 11.5 km. Two cities are 5.5 cm apart on the map. To the nearest tenth of a kilometer, what is the ac

tual distance corresponding to the map distance?
A. 74.8 km

B. 120.8 km

C. 68.8 km

D. 63.3 km
Mathematics
2 answers:
galina1969 [7]3 years ago
7 0

Answer:

the answer is 63.3 km


777dan777 [17]3 years ago
5 0

All that you need to do here is to multiply 5.5 by 11.5 which equates to...

=5.5x11.5

=63.25

because the second decimal is five you have to round up so that means that the answer is 63.3km

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  • p=0.6480 (2-game series)

Step-by-step explanation:

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#We find probabilities for the different values of i:

P(X=4)={3\choose 3}0.6^4=0.1296\\\\P(X=5)={4\choose 3}0.6^40.4^1=0.2074\\\\P(X=6)={5\choose 3}0.6^40.4^2=0.2074\\\\P(X=4)={6\choose 3}0.6^40.4^3=0.1659

Hence, probability of the stronger team winning overall is:

=P(X=4)+P(X=5)+P(X=6)+P(X=7)\\\\=0.7103

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P(Y=2)={1\choose 1}0.6^2=0.3600\\\\P(Y=3)={2\choose3}0.6^20.4=0.2880\\\\P(win)=0.2880+0.3600=0.6480

Hence, probability of the stronger team winning in 2 out 3 game series is 0.6480

The stronger team has a higher chance of winning in a 4-game series(0.7103>0.6480)

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