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Basile [38]
3 years ago
11

Max finds the product 3/7 *16

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
4 0

\\
\text{We need to find the product, }\frac{3}{7}\times 16\\
\\
\text{to multiply it, first we write the 16 in fraction form as }\frac{16}{1}\\
\\
\text{so we now the product becomes}\\
\\
\frac{3}{7}\times \frac{16}{1}\\
\\
\text{Now to multiply  the fractions, we multiply the numerators together}\\
\text{and the denominators together. so we have}\\
\\
\frac{3}{7}\times \frac{16}{1}=\frac{3\times 16}{7\times 1}\\
\\
=\frac{48}{7}

Hence the product is 48/7

Verdich [7]3 years ago
3 0
Max finds that the answer is 6.857 lol

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I really need help I have 20 minutes
nlexa [21]

Answer:

a. -1.7

b. -1.2

c. -0.5

d. 0.6

e. 1.1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the slope of a line that passes through each pair of points M(-2,3),N(7,-4)
yan [13]
-9/7

which would be -1 2/7, but slope is not done in mixed fractions.
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3 years ago
Find the measure of the angle<br> I-ready<br> Please help
Anon25 [30]

Answer:

95

Step-by-step explanation:

if you see that line in between 90, 100 that is a five and it is past 90 making it 95

4 0
3 years ago
If someone can do this with in next hour and half before its due that would be awesome!!!
Andru [333]
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2 years ago
One of the relatively uncommon instances in which researchers know the population standard deviation is in the case of the Intel
Phoenix [80]

Answer:

90% confidence interval for the mean IQ score in this community is [106.58 , 109.42].

Step-by-step explanation:

We are given that in general, the average IQ score in large, diverse populations is 100 and the standard deviation is 15.

Suppose that your sample of 300 members of your community gives you a mean IQ score of 108.

Firstly, the pivotal quantity for 90% confidence interval for the population mean is given by;

                        P.Q. = \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \bar X = sample mean IQ score = 108

            \sigma = population standard deviation = 15

            n = sample of members = 300

            \mu = population mean IQ score

<em>Here for constructing 90% confidence interval we have used One-sample z test statistics because we know about population standard deviation.</em>

<em />

So, 90% confidence interval for the population mean, \mu is ;

P(-1.645 < N(0,1) < 1.645) = 0.90  {As the critical value of z at 5% level

                                                of significance are -1.645 & 1.645}  

P(-1.645 < \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n} } } < 1.645) = 0.90

P( -1.645 \times {\frac{\sigma}{\sqrt{n} } } < {\bar X -\mu} < 1.645 \times {\frac{\sigma}{\sqrt{n} } } ) = 0.90

P( \bar X-1.645 \times {\frac{\sigma}{\sqrt{n} } } < \mu < \bar X+1.645 \times {\frac{\sigma}{\sqrt{n} } } ) = 0.90

<u>90% confidence interval for</u> \mu = [ \bar X-1.645 \times {\frac{\sigma}{\sqrt{n} } } , \bar X+1.645 \times {\frac{\sigma}{\sqrt{n} } } ]

                                      = [ 108-1.645 \times {\frac{15}{\sqrt{300} } } , 108+1.645 \times {\frac{15}{\sqrt{300} } } ]

                                      = [106.58 , 109.42]

Therefore, we can be 90% confident that the mean IQ score in this community lies between 106.58 and 109.42.

8 0
3 years ago
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