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Natasha_Volkova [10]
3 years ago
11

Which of the following is the value of 2x' +5x+9 when x =10?

Mathematics
1 answer:
stealth61 [152]3 years ago
7 0

Answer:

The correct answer is: 259.

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People with a house number ending in 1 are polled. Is this sample random?<br><br> A) Yes<br> B) No
aleksandrvk [35]

Answer:

No

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2 years ago
A coin is to be spun 25 times. Let x be the number of spins that result in heads (H). Consider the following rule for deciding w
larisa [96]

Answer:

0.0433

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Since we have a fixed number of trials (N = 25) and the probability of getting heads is always p = 0.05, we are going to treat this as a binomial distribution.

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1 - 0.9567 = 0.0433

Since we are going to conclude that the coin is baised if either x<8 or x>17, the probability of judging the coin to be baised when it is actually fair is 4.33%

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