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Free_Kalibri [48]
2 years ago
9

The probability that Bob and Chris go to the movies is 0.35. The probability that Chris goes to the movies is 0.5. What is the p

robability that Bob goes to the movies given that Chris goes
Mathematics
1 answer:
evablogger [386]2 years ago
4 0

Answer:

P(B/C)=0.7

Step-by-step explanation:

From the question we are told that:

The probability that Bob and Chris go to the movies P(BnC)= 0.35.

The probability that Chris goes to the movies P(C)= 0.5

Generally the equation for the probability that Bob goes to the movies given that Chris goes P(B/C) is mathematically given by

 P(B/C)=\frac{ P(BnC)}{P(C)}

Therefore

 P(B/C)=\frac{0.35)}{0.5}

 P(B/C)=0.7

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12What mistake did the student make when solvingtheir two-step equation?(a)b) If correctly solved what should the value of be?
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Given the equation:

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(a) You can identify that the student applied the Subtraction Property of Equality by subtraction 3 from both sides of the equation:

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Since you have two numbers with the same sign on the right side of the equation, you must add them, not subtract them and use the same sign in the result. Then, the steps to add them are:

- Add their Absolute values (their values without the negative sign).

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(b) The correct procedure is:

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\begin{gathered} \frac{x}{6}+3-(3)=-18-(3) \\  \\ \frac{x}{6}=-21 \end{gathered}

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