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amm1812
3 years ago
11

Please help thank you<3

Mathematics
1 answer:
Natali [406]3 years ago
3 0
(To any other people, please correct me if I'm wrong) I believe that the answer would be at the rate of 24.4 miles per gallon
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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

Step-by-step explanation:

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.

Using a binomial probability calculator, we find that the probability of obtaining heads from 8 to 17 times is 0.9567 given that the con is fair. The probability of obtaining any other value given that the coin is fair is going to be:

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%

5 0
3 years ago
The decimal equivalent 3/5 is a repeating decimal true or false?
Svetlanka [38]

Answer: false

Step-by-step explanation:

3/5 in a decimal is 0.6. overall 0.6 is not an repeating decimal.

4 0
3 years ago
The rainfall total this year was 10.2 inches, which is 20% less than last year's rainfall total. What was last year's rainfall t
antoniya [11.8K]

Answer: 12.75 inches

Step-by-step explanation:

Let x represent last year's rainfall.

Multiply by 0.8 since this year was 20% less.

x(0.8)= 10.2

x = 12.75

6 0
3 years ago
Write and simplify an expression that represents how much more company x charges than company Y in cents for n minutes
Gre4nikov [31]
The expression is
35 + 5x - 15 + 4x

and the simplified form is
20 + 9x

good luck
3 0
3 years ago
Simplify the expression- 3 - 5/6 / 5/2
spin [16.1K]

Answer:

10/3

Step-by-step explanation:

-3-5/6/5/2=-10/3

decimal 0.33333 reaccuring

6 0
2 years ago
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