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Svetach [21]
3 years ago
15

there are 146 students taking buses to the museum.if each bus holds 24 students,how many buses will they need?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0
146/24=6.08333 buses are needed.
But this 0.08333 means that there are 2 students left as a remainder. The first 6 busses are full, and 2 students are remaining outside. We cant leave them there! So we need another bus, which gives a total of 7 buses
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k0ka [10]
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If 8% of all cell phones are defective, and you have a random sample group of 100 Samsung Galaxy Vills,
Sati [7]

Answer:

Mean = 8

Variance = 7.36

Standard Deviation = 2.7129

Step-by-step explanation:

This is a binomial distribution with parameters, n and p.

Where

n is sample size (given as 100)

p is the probability of success, or probability of defective (given as 8% or 0.08)

The mean, variance, standard deviation formula for binomial distribution is shown below:

Mean = np

Variance = npq

Standard Deviation = \sqrt{npq}

Where q would be probability of failure, or "1 - p"

Thus,

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q = 1 - 0.08 = 0.92

SO, we have:

Mean = np=100*0.08=8

Variance = npq=100*0.08*0.92 = 7.36

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5 0
3 years ago
4 Solve the system to find the y-value of the
ser-zykov [4K]

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TRUE

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2 years ago
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murzikaleks [220]
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4 0
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Of 5
aniked [119]

Answer:

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Step-by-step explanation:

Lets convert each person's typing rate to words/min.

Krutika:

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1 minute = (6000/80) words

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Typing Rate: 75 words / min

Mark:

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1 minute = (4200/60) words

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Typing Rate: 70 words / min

David:

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1 minute = (5850/90) words

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Typing Rate: 65 words / min

From the above, we can see Krutika has the fastest rate of words per minute.

3 0
2 years ago
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