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trasher [3.6K]
3 years ago
8

Emma had 10 Balls in a bag. The balls were numbers 1 through 10. She wanted to test the probability of drawing a ball that is a

multiple of 3.
Also, write a prediction about if there is an unlikely, impossible, likely, even, or certain change of drawing a multiple of 3.
Mathematics
2 answers:
Goryan [66]3 years ago
5 0

Answer:

  • 30%
  • Unlikely

Step-by-step explanation:

<u>The balls - multiples of 3 are:</u>

  • 3, 6 and 9

<u>The probability of a multiple of 3 is:</u>

  • 3 out of 10 or
  • P = 3/10 = 30%

30% probability is in the range 0%-50% so this event is unlikely

NNADVOKAT [17]3 years ago
5 0
  • Total balls=10
  • Multiples of 3=3,6,9

Total multiples=3

\\ \sf\longmapsto P(3)=\dfrac{Multiples\:of\:3}{Total \:balls}

\\ \sf\longmapsto P(3)=\dfrac{3}{10}

\\ \sf\longmapsto P(3)=30\%

  • It is <50%;

So it is unlikely to happen.

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if 20 men can finish a piece of work in 30 days how many additional numbers of mains will be employed to finish the work in 24 d
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Answer:

Step-by-step explanation:

no of days                                                   no of men

30                                                                         20

24                                                                             20

30/24=x/20

24 x=30*20

24x=600

x=600/24

x=25

therefore  5 more men are needed to complete the work in 24 days                

8 0
3 years ago
14 friends go out for dinner and the bill for food and drink comes to £130. The friends decided to add a 5% tip on the top of th
Hitman42 [59]

The amount each friend does pay is £9.75

<h3>How to calculate the pay of each friend using fractions and arithmetic operations?</h3>

We are going to find 5% of the total amount paid and divide it by the numbers of all the friends to determine the amount paid by each one of them.

From the given information:

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  • Total amount paid = £130 + £6.5 = £136.5

Therefore, the cost of each friend is = \dfrac{136.5}{14}

The cost of each friend = £9.75


Learn more about fractions here:

brainly.com/question/78672

#SPJ1

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Step-by-step explanation:

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3 years ago
Can anyone help meeee!
KIM [24]

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