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loris [4]
3 years ago
14

Mierenett omeettome Ma Hami

Mathematics
1 answer:
frozen [14]3 years ago
7 0
The answer is 1.4 I just too the test
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The resting heart rates for 80 women aged 46–55 in a simple random sample are normally distributed, with a mean of 71 beats per
My name is Ann [436]
Given:
Confidence level = 90%
mean = 71 beats per minute
standard deviation = 6 beats per minute

margin of error = z * δ / √n

where : δ - population of the standard deviation, n is the sample size ; z is the appropriate z value.

90% confidence level = 1.645 in z-value

margin of error = 1.645 * (6/√80) = 1.645 * (6/8.94) = 1.645 *  0.671 = 1.104

The margin of error is 1.10
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3 years ago
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R(a) is the change in the population of rats based on the whole number of acres(a) of pasture. What is an appropriate domain for
pochemuha

Answer:

Its all positive integers

Step-by-step explanation:


4 0
3 years ago
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What is the value of x?
Kazeer [188]

Answer:

x = 64

Step-by-step explanation:

2x = 128

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3 0
2 years ago
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Which is the property that justifies the action?
lidiya [134]
A) Action: multiply both sides by 4. 

Have a look: 

(x/4)x4=16x4 
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As you can see, the value of x can be found by multiplying 4 on both sides.

Hope I helped :) 


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3 years ago
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12.Se consideră mulţimile A={3x-1, 2x+1, 4x+2} şi B={x+1, x+2, 2x+4} unde x ∈ N. Valoarea lui x pentru
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Answer:

which language is this????

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