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7nadin3 [17]
3 years ago
7

HELP PLEASE THANK YOU! :) 50 POINTS !!!!!!!1

Mathematics
1 answer:
a_sh-v [17]3 years ago
3 0

Answer:  0.88

Step-by-step explanation:  

Let C is the event of drinking coffee, T is the event of drinking tea and M is the event of drinking milk.

Thus, when we make the Venn diagram of the given situation according to the given information,

Total number of people = 50

Number of people who like coffee, tea and milk = 19

Number of people who like coffee, tea but not milk = 16

Number of people who like coffee, milk but not tea = 2

Number of people who like tea, milk but not coffee = 5

Thus, the number of people who like tea only = Total people - (people who like coffee, tea but not milk + people who like coffee, tea and milk + the one who only like tea and milk but not coffee)

= 50 - ( 16 + 19 + 5) = 50 - 46 = 4

Thus, Total number of the person who like milk = 16 + 19 + 5 + 4 = 44

⇒ Probability that this person likes tea = \frac{\text{ Total person who like to drink milk}}{\text{ Total number of people}} = \frac{44}{50} = 0.88





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d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}

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(x_1, y_1)\ (x_2,y_2) = (4,-4)\ (-3, -2)

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YZ = \sqrt{53}

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ZW = \sqrt{(-3 - (-3))^2 + (-2 - 3)^2}

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P = WX + XY + YZ + ZW

P = 5 + \sqrt{53} + \sqrt{53} + 5

P = 5 + 5 + \sqrt{53} + \sqrt{53}

P = 10 + 2\sqrt{53} units

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