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Paul [167]
3 years ago
9

Use this method to estimate the students who attend your school (or a certain building on your campus) on a given morning. Count

the number of students entering the building in 1 minute and multiply this number by the minutes it takes the entire group to enter.
Mathematics
1 answer:
Karolina [17]3 years ago
6 0

Answer and explanation:

The data we get from counting how many people entering a building in one minute is the sample of the population size. We do this since it would be tedious or not feasible to stand and count one by one how many people enter the building and so we do a good estimate with our one minute sample

Let's assume in one minute, 15 people enter the building and it takes one hour for everyone to enter the building

Population size would be 15*60 minutes= 900 people

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The temperature in the desert can
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Answer:

There is an 144 degree difference.

Step-by-step explanation:

112=(-32)+x

solve like a regular equation which will give you 144

(add 32 to 112)

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3 years ago
Adrian help me. Tgdhd
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Answer:

help with what?

Step-by-step explanation:

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Edward deposited $9,500 into a savings account 3 years ago. The simple interest rate is 4%. How much money did Edward earn in in
JulsSmile [24]

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Between $10,000-$10,500

Step-by-step explanation:

6 0
3 years ago
You have two biased coins. Coin A comes up heads with probability 1/4. Coin B comes up heads with probability 3/4. However, you
slega [8]

Answer:

3/4

Step-by-step explanation:

Probability is the likelihood of an event.

No.of favourable outcomes/ Total no. of outcomes

Probability of coin selection : [Both coins have equal likelihood of being chosen]

  • Prob( Coin A Selection) = 1/2
  • Prob (Coin B selection) = 1/2

Probability of head & tail by both coins :

  • Prob (Head / Coin A) = 1/4
  • Prob (Tail / Coin A) = 1 - [ P (Head/Coin A) ] = 1 - 1/4 = 3/4
  • Prob (Head / Coin B) = 3/4
  • Prob (Tail / Coin B) = 1 - [ P (Head/Coin B) ] = 1 - 3/4 = 1/4

Probability of getting head by Coin A : Prob (Coin A) & Prob (Head/CoinA)  = 1/2 x 1/4   = 1/8

Probability of getting tail by Coin A : Prob (Coin A) & Prob (Tail/CoinA) = 1/2 x 3/4 = 3/8

Probability of getting head by Coin B : Prob (Coin B) & Prob (Head/CoinB)  = 1/2 x 3/4   = 3/8

Probability of getting tail by Coin B : Prob (Coin B) & Prob (Head/CoinB)  = 1/2 x 1/4   = 1/8

Probability 'The guess [head from coin B, tail from coin A] :

Prob (Coin A) & Prob (Tail/CoinA) or Prob (Coin B) & Prob (Head/CoinB)  

= 3/8 + 3/8 = 3/4

3 0
3 years ago
C + 20 - 13 = 100 im doing a test i need help
telo118 [61]

Answer:

c is 93

Step-by-step explanation:

work backwards to get c

100 + 13= 113

113-20= 93

so your answer is 93

6 0
3 years ago
Read 2 more answers
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