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Mashutka [201]
3 years ago
5

If james rolls the number cube 250 times, predict the number of times it will land on an odd number

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0

Answer:

Let's find the possible outcomes of rolling odd.

1,3,5 are all odd. We have 3 outcomes.

Now find the possible outcome of a power of 2.

2 is 21, 4 is 22. We have 2 DIFFERENT outcomes.

(If these outcomes overlapped, we would have to subtract to get unique outcomes. In this case, these outcomes are different)

Now, we find the total number of possible outcomes.

A dice has 6 different outcomes.

Now add up the desired outcomes, 3+2=5

and so the probability is 56

Step-by-step explanation:

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Answer:

He must charge minimum £0.84 for one hot dog.

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Ingredients cost for hot dogs at the supermarket,

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Number of tins required for 150 hot dogs = \frac{150}{8} = 6.25

So student will purchase 7 tins.

Cost of 7 tins = 7 × 0.5

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Cost of 25 packs = 25 × 0.9

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Total cost of the material used for 150 buns = 22.5 + 3.5

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x = \frac{126}{150}

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Therefore, he must charge minimum £0.84 for one hot dog.

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