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Neko [114]
3 years ago
14

70% of the 100 students in the middle school bother lunch some of the students at bought their launch leave to attend an assembl

y now only 60% of the remaining students about their lunch how many students are remaining in the cafeteria
Mathematics
1 answer:
sukhopar [10]3 years ago
7 0
42 students remain in the cafeteria
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An arrow on a spinner is spun 250 times. Some of the results are shown below. The relative frequency of landing on a 4 is the sa
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Answer:

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Step-by-step explanation:

The frequency numbers for landing on 1, 2, and 3 are:

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We add them up to get: 25 + 53 + 62 = 140

Since 250 spins were made, and 140 of them landed on 1, 2, or 3, then

250 - 140 = 110,

so 110 landed on 4 or 5.

We are told the numbers of spins landing on 4 and 5 are equal, so

110/2 = 55,

so the spinner landed 55 times on 4 and 55 times on 5.

relative frequency = 55/250 = 11/50

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3 years ago
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Aliun [14]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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