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Leya [2.2K]
2 years ago
7

Pls help math work bleh

Mathematics
1 answer:
Rina8888 [55]2 years ago
8 0

Answer:

  1. j = 8
  2. j = 3
  3. j = 6

I hope this helps!

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What is the likelihood that a fair coin will land heads or tails?
Marina CMI [18]

Answer:

I believe it is 0.5

Step-by-step explanation:

If you flip a normal coin (called a “fair” coin in probability parlance), you normally have no way to predict whether it will come up heads or tails. Both outcomes are equally likely. There is one bit of uncertainty; the probability of a head, written p(h), is 0.5 and the probability of a tail (p(t)) is 0.5. The sum of the probabilities of all the possible outcomes adds up to 1.0, the number of bits of uncertainty we had about the outcome before the flip. Since exactly one of the four outcomes has to happen, the sum of the probabilities for the four possibilities has to be 1.0. To relate this to information theory, this is like saying there is one bit of uncertainty about which of the four outcomes will happen before each pair of coin flips. And since each combination is equally likely, the probability of each outcome is 1/4 = 0.25. Assuming the coin is fair (has the same probability of heads and tails), the chance of guessing correctly is 50%, so you'd expect half the guesses to be correct and half to be wrong. So, if we ask the subject to guess heads or tails for each of 100 coin flips, we'd expect about 50 of the guesses to be correct. Suppose a new subject walks into the lab and manages to guess heads or tails correctly for 60 out of 100 tosses. Evidence of precognition, or perhaps the subject's possessing a telekinetic power which causes the coin to land with the guessed face up? Well,…no. In all likelihood, we've observed nothing more than good luck. The probability of 60 correct guesses out of 100 is about 2.8%, which means that if we do a large number of experiments flipping 100 coins, about every 35 experiments we can expect a score of 60 or better, purely due to chance.

6 0
3 years ago
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Syrus is buying a tent with the dimensions shown below. The volume inside the tent is 36 feet. Syrus isn't sure if the tent will
ivolga24 [154]

Answer:

the answer is 3 feet

Step-by-step explanation:

We can use the volume formula, V =1/2 bhl to find the height of the tent

the volume is 36^{3}. The base is 4 and the length is 6 feet

​36=1/2 ⋅4⋅h⋅6

36=12h

3=h

The height of <em>the tent is 3 feet.</em>

7 0
3 years ago
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Can someone PLEASE answer this and explain I really need help I’ll mark brainliest
svetlana [45]

Answer:

Michael = x÷7

lee = 2(x÷7)

(x÷7)+2(x÷7)

Step-by-step explanation:

since he earns x dollars every seven days, to get the amount he earns, you divide that amount by 7 and for Lee, she gets twice as much so you multiply Michael's amount by 2

7 0
2 years ago
solve the problems below step by step I'll give 30 points please explain find the area and the perimeter for the problems below
guajiro [1.7K]

Answer:

Step-by-step explanation:

14. You would add 41 + 41 + 61 + 61 because you just need to add together all the sides.

15.  you need to measure the all the sides for 15 and do the same thing that you did on 14

3 0
2 years ago
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A neutral atom of oxygen has 8 protons and __ electrons
a_sh-v [17]
Pretty sure it’s 8 electrons
5 0
3 years ago
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