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Romashka [77]
3 years ago
13

On a game show, a contestant randomly chooses a chip from a bag that contains numbers and strikes. The theoretical probability o

f choosing a strike is 310310. The bag contains 99 strikes. How many chips are in the bag?
Mathematics
1 answer:
irina1246 [14]3 years ago
8 0
The answer is 30 because 

3/10 × 9/x = 30 .

Hope this helps

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What is one equation that can only be true if b=2?
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Answer:

1+1 = 2

Step-by-step explanation:

-1 + 3 = 2

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Determine the price of a $35 basketball that is on sale for 50% off the regular price.
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$17.5

Step-by-step explanation:

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The cost of 4 belts and 5 ties is $247. Each time costs 3 times as much as a belt. What us the total cost of 1 belt and 1 tie
Makovka662 [10]

Answer:

The total cost of 1 belt and 1 tie is $13 and $39 respectively.

Step-by-step explanation:

Given that,

The cost of 4 belts and 5 ties is $247.

Each tie costs 3 times as much as a belt.

Let the cost of a belt is x and that of a tie is y.

ATQ,

4x + 5y = 247 ...(1)

y = 3x ....(2)

Put the value of y from equation (2) in equation (1)

4x + 5(3x) = 247

4x + 15x = 247

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x = 13

Put the value in equation (2)

y = 3x

= 3(13)

= 39

So, the total cost of 1 belt and 1 tie is $13 and $39 respectively.

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3 years ago
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3 years ago
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GenaCL600 [577]

Answer:

The alternative hypothesis is H_1: p > 0.6.

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Step-by-step explanation:

It is claimed that proportion in favor of proportion A is greater than 60%.

This means that at the null hypothesis, we test if the proportion is of at most 60%, that is:

H_0: p \leq 0.6

At the alternative hypothesis, we test if the proportion is more than 60%, that is:

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What is (are) the critical value?

The critical value is the value of Z with a p-value 1 subtracted by the standard significance level of 0.05, since we are testing if the mean is more than a value, so, looking at the z-table, Z_c = 1.645

7 0
2 years ago
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