A random sample of magnesium concentrations in parts per million, or ppm) in ground water from various locations follows. Estimate the mean concentration of magnesium in
ppm with 90% confidence. Assume o = 19.
101 64 74 94 105
101 95 36 34 34
61 60 116 74 119
9 16
30 82
20 69 78 63
42
86 118 116
75
46
79 40 110 79 61

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

the correct answer is a.) bc< mn 5 stars if this you : )

step-by-step explanation:

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step-by-step explanation: