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DerKrebs [107]
3 years ago
13

How do you write 31% as a fraction in simplest from

Mathematics
2 answers:
Illusion [34]3 years ago
4 0
The fraction is 31/100, the decimal is 0.31 which means your simplest form is 31/100
docker41 [41]3 years ago
4 0
31% = 31/100, then simplify that answer.
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The average daily volume of a computer stock in 2011 was μ=35.1 million​ shares, according to a reliable source. A stock analyst
alexandr1967 [171]

Answer:

The 95% confidence interval is ( 27.126 , 34.674)

Step-by-step explanation:

Given

The t critical value at 0.05 level = 2.023 for the df = 39

Confidence interval = 95%

Mean  

\bar{x} - t * \frac{s}{\sqrt{n} } < \mu < \bar{x} + t * \frac{s}{\sqrt{n} }

Substituting the given values we get -

\30.9 - 2.023 * \frac{11.8}{\sqrt{40} } < \mu < \30.9 + 2.023 * \frac{11.8}{\sqrt{40} }\\27.126 < \mu < 34.674

Hence, the 95% confidence interval is

( 27.126 , 34.674)

4 0
3 years ago
In a class of 20 students:
BlackZzzverrR [31]

The Venn diagram is given below. Then the number of students who have brother and sister will be 6.

<h3>What are sets?</h3>

A set is a group of clearly specified components. The number of items in a finite set is denoted by a curly bracket.

In a class of 20 students:

11 have a brother, 9 have a sister, and 6 have neither.

Then the Venn diagram will be

11 – a + a + 9 – a = 20 – 6

               20 – a = 14

                        a = 6

The Venn diagram is given below.

More about the sets link is given below.

brainly.com/question/8053622

#SPJ1

8 0
2 years ago
In a random sample of 60 dog owners enrolled in obedience training, it was determined that the mean amount of money spent per ow
Anton [14]

Answer: (\$106.29,\ \$112.37)

Step-by-step explanation:

Given : Sample size : n=60

The mean amount of money spent per owner = \$109.33\text{ per class}

Standard deviation : \sigma=\$12

Significance level : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

We know that the confidence interval for population mean is given by :-

\mu\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

109.33\pm(1.96)\dfrac{12}{\sqrt{60}}\\\\\approx109.33\ \pm\ 3.04\\\\\approx(109.33-3.04,\ 109.33+3.04)\\\\(106.29,\ 112.37)

Hence, the 95% confidence interval for the mean amount spent per owner for an obedience class will be (\$106.29,\ \$112.37)

6 0
3 years ago
Find the difference 32.654 -0.1
zavuch27 [327]

32.654-0.1=32.554    

subtract 0.100 from 32.654                                  

3 0
3 years ago
Read 2 more answers
PLS HELP ME ASAP FOR ALL 6!! (SHOW WORK FOR ALL!!) + LOTS OF POINTS!!
Usimov [2.4K]
#1 is A because the equation is pi x diameter which would be 18.84
3 0
4 years ago
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