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olasank [31]
2 years ago
13

A survey of 100 people in New York City, NY found that.

Mathematics
1 answer:
S_A_V [24]2 years ago
7 0

Answer: 0.9

Step-by-step explanation:

\mathrm{Total \ sample \ space \ $=100$} \\\mathrm{Event \ $A = \ taking \ subway \ each \ day}$$P(A)=0.85$$Event $B=$ taking taxi $\because P(B)=0.6$$$P(A \cap B)=0.55$$

\begin{aligned}P(A \cup B) & \Rightarrow \text { Person taking either taxi/subway } \\&=P(A)+P(B)-P(A \cap B) \\&=(0.85-0.555)+(0.6-0.55)-0.55 \\&=1.45-0.55\\&\bf{=0.9} \end{aligned}

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DaniilM [7]
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3 years ago
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castortr0y [4]

Answer:

x = 6

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Step-by-step explanation:

Let the two numbers be x and y

<u><em>Condition 1:</em></u>

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<u><em>Condition 2:</em></u>

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<em>Putting (2) in (1)</em>

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=> y = 4

<em>Now putting y = 4 in eq(2)</em>

=> x = 2+4

=> x = 6

6 0
3 years ago
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Alex17521 [72]
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Step-by-step explanation:

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