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Komok [63]
2 years ago
8

The ratio of boys to girls is 14:17 if there are a total of 7626 students how many boys and how many girls are there ?

Mathematics
2 answers:
natima [27]2 years ago
8 0

Answer: boys = 3444 , girls = 4182

3444:4182

Step-by-step explanation:

14(246)= 3444

17(4182)= 4182

4182+3444= 7626

Finger [1]2 years ago
6 0

Answer: 3444 boys, 4182 girls

Let there be 14x boys and 17x girls. Then there are 31x total students. Since 31x = 7626, x = 246. Then there are 14(246) = 3444 boys and 17(246) = 4182 girls.

i hope this was helpful! :D

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The inspection division of the Lee County Weights and Measures Department is interested in estimating the actual amount of soft
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Answer:

The 98% confidence interval estimate of the true average amount of soft drink in each bottle is between 2.97 liters and 3.01 liters.

Step-by-step explanation:

We have the standard deviation for the sample, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

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Now, we have to find a value of T, which is found looking at the t table, with 63 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.98}{2} = 0.99. So we have T = 2.387

The margin of error is:

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7 0
2 years ago
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tatyana61 [14]
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AfilCa [17]

Answer:

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Step-by-step explanation:

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2 years ago
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mote1985 [20]

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