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Ostrovityanka [42]
3 years ago
7

A population has a mean of 300 and a standard deviation of 18. A sample of 144 observations will be taken. The probability that

the sample mean will be between 297 to 303 is
Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

0.8664

Step-by-step explanation:

I hope it helps, and please give me Brainlest!

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Which set of ordered pairs could be generated by an exponential function?
olasank [31]

Answer:

The correct option is  (1,2), (0, 1), (1, 2), (2, 4).

Step-by-step explanation:

Consider the provided ordered pairs.

The exponential function is in the form of f(x)=ab^x

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The graph of each exponential function passes through the point (0, a),

f(0)=a\cdot b^0 = a and a\neq 0  

Therefore, Option 1 and 2 and 4 are false.

Hence, the correct option is  (1,2), (0, 1), (1, 2), (2, 4).

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Step-by-step explanation: Hope this helps!!

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dimaraw [331]
The discount percent is 20% off because you would subtract the discount from the original price and get 45. 45 is 20% of 225.
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3 years ago
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Which expression represents a negative number?
lina2011 [118]

Its C.

Negative x Negative is positive, so its not A or D.

Positive x Positive is Positive, so its not B either.

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HELPPPP. SOMEONE HELP PLEASE
nata0808 [166]

Answer:

a) Domain: All real numbers

b) Domain: -4<x<=4

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b) Range: 0<=y<=4

Step-by-step explanation:

Domain is the possible x values

Range is the possible y values

Open circle means not included

Close circle means included

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