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nata0808 [166]
3 years ago
6

Which graph represents an exponential function?i

Mathematics
1 answer:
Lina20 [59]3 years ago
6 0
Jxjfjfjfjcjfjfjjfjfjfbfjfj
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The diameters of ball bearings are distributed normally. The mean diameter is 106 millimeters and the standard deviation is 4 mi
Assoli18 [71]

Answer:

Probability that the diameter of a selected bearing is greater than 111 millimeters is 0.1056.

Step-by-step explanation:

We are given that the diameters of ball bearings are distributed normally. The mean diameter is 106 millimeters and the standard deviation is 4 millimeters.

<em>Firstly, Let X = diameters of ball bearings</em>

The z score probability distribution for is given by;

          Z = \frac{ X - \mu}{\sigma} ~ N(0,1)

where, \mu = mean diameter = 106 millimeters

            \sigma = standard deviation = 4 millimeter

Probability that the diameter of a selected bearing is greater than 111 millimeters is given by = P(X > 111 millimeters)

    P(X > 111) = P( \frac{ X - \mu}{\sigma} > \frac{111-106}{4} ) = P(Z > 1.25) = 1 - P(Z \leq 1.25)

                                                  = 1 - 0.89435 = 0.1056

Therefore, probability that the diameter of a selected bearing is greater than 111 millimeters is 0.1056.

4 0
2 years ago
The ratio for 42 pens : 35 pencils as a fraction is
Lynna [10]
42:35 or if simplified 6:5
4 0
3 years ago
Reducing the original price of an item is often called
Temka [501]
Should be markdown, but if you have other options let me know and I'll tell you which it is.  But if markdown is one of your choices, or if this is fill-in, it's markdown.
7 0
3 years ago
Read 2 more answers
A. 10%<br> B. 21%<br> C.30%<br> D.34%<br> E.49%
Tems11 [23]

Answer:

34% see explanation below

Step-by-step explanation:

The total number who likes pizza is 73 and the total number of people surveyed is 215

So it'll just be 73/215 × 100 (for the percentage)

7 0
2 years ago
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5.275 to 2 decimal places
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The answer would be 52.7.5
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3 years ago
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