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sertanlavr [38]
3 years ago
9

What is the maximum value of the function? Help

Mathematics
2 answers:
ikadub [295]3 years ago
7 0

Answer:

The maximum is at (1,3)

Step-by-step explanation:

The maximum value of the function is at the vertex

The maximum is at (1,3)

harina [27]3 years ago
7 0

Max value of the given function = 3

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1. The national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15. The dean of a college wants to kno
Nat2105 [25]

Answer:

We conclude that the mean IQ of her students is different from the national average.

Step-by-step explanation:

We are given that the national mean (μ) IQ score from an IQ test is 100 with a standard deviation (s) of 15.

The dean of a college want to test whether the mean IQ of her students is different from the national average. For this, she administers IQ tests to her 144 students and calculates a mean score of 113

Let, Null Hypothesis, H_0 : \mu = 100 {means that the mean IQ of her students is same as of national average}

Alternate Hypothesis, H_1 : \mu\neq 100  {means that the mean IQ of her students is different from the national average}

(a) The test statistics that will be used here is One sample z-test statistics;

               T.S. = \frac{Xbar-\mu}{\frac{s}{\sqrt{n} } } ~ N(0,1)

where, Xbar = sample mean score = 113

              s = population standard deviation = 15

             n = sample of students = 144

So, test statistics = \frac{113-100}{\frac{15}{\sqrt{144} } }

                             = 10.4

Now, at 0.05 significance level, the z table gives critical value of 1.96. Since our test statistics is more than the critical value of z which means our test statistics will fall in the rejection region and we have sufficient evidence to reject our null hypothesis.

Therefore, we conclude that the mean IQ of her students is different from the national average.

3 0
3 years ago
Natalie uses 68 photos to make an online photo album. She can fit 5 photos on each page. She fills all of the pages in her album
Sati [7]
68-2(\5)=#of pages in album
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3 years ago
oint) Solve the following inequality. Enter the answer in interval notation. 10x - 5 < -10(8x - 2)+3 Answer: Note: If the ans
nevsk [136]
10x - 5 < - 10(8x - 2) + 3 \\ 10x < - 80x + 20 + 8 \\ 90x < 28 \\ x < \frac{14} {45}\\x \in (-\infty,\frac{14}{45} )
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!!!!Do not respond with I don't know or anything but help with the answer just for the points!!!!! The average test score A of f
zepelin [54]

Answer:

69

Step-by-step explanation:

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3 years ago
Can someone find the median? I got 177 divided by 2 but not sure
Lostsunrise [7]
Greetings!

The Median refers to the middle of the set of number! So line up the numbers from largest to smallest or vice versa:
97,94,89,88,88,83

The middle number(s) is/are:
89 and 88.

Now we can use the same technique to find the mode, using the two number:
=88+89

=177

Now divide the sum by the number of numbers (2):
= \frac{177}{2}

=88.5

The Median is:
\left[\begin{array}{ccc}88.5\end{array}\right]

Hope this helps!
-Benjamin


8 0
3 years ago
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