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3 years ago

10

Sam was given a bag of 100 red and blue marbles. He believes

1 answer:

Rashid [163]3 years ago

6 0

Answer:

(D) There are probably more blue marbles than red marbles in the bag.

Step-by-step explanation:

There are a total of 100 marbles in the bag.

In the experiment of 50 trials, Sam had the following outcome:

Blue=35

Red=15

Relative Frequency of Blue Marbles =35/50=0.7

Relative Frequency of Red Marbles =15/50=0.3

Since the relative frequency of blue marbles is greater than the relative frequency of red marbles, <u>there are probably more blue marbles than red marbles in the bag.</u>

The correct option is D.

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In a survey, 150 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The result

s2008m [1.1K]

(a) 28%

(b) 24%

When calculating the total amount of people it come out to 150.

According to the table 42 people smoke. 42/150 is 28%

According to the table 36 people exercise regularly. 36/150 is 24%

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2 years ago

What degree are all of these angles?<br><br>AGD<br>EGA<br>BGC<br>BGF

Stolb23 [73]

Answer:

AGD: 90

EGA: 50-59

BGC: 90

BGF: 50-59

Step-by-step explanation:

pretty easy

6 0

2 years ago

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составь верные равенства и неравенства, используя таблицу: 32×2, 120+253, 900-653, 300×2, 640÷8, 900÷3, 450-350, 45×3

tekilochka [14]

What is your question?

5 0

2 years ago

Using the formula below or Excel, find the correlation coefficient, r, for this set of scores. Answer choices are rounded to the

RideAnS [48]

The correlation coefficient measures the relationship between the two variables

The correlation coefficient is 0.234

<h3>How to determine the correlation coefficient</h3>

The formula of correlation coefficient is:

$r = \frac{1}{n - 1} * \sum{(\frac{x - \bar x}{\sigma_x})*(\frac{y - \bar y}{\sigma_y})$

Using the dataset from the complete question, we have:

$r = \frac{1}{5 - 1} * 0.9375$

Evaluate the difference

$r = \frac{1}{4} * 0.9375$

Evaluate the quotient

$r = 0.234375$

Approximate

$r = 0.234$

Hence, the correlation coefficient is 0.234

Read more about correlation coefficient at:

brainly.com/question/4219149

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1 year ago

Find the constant of proportionality for the table of values and write in the form y = kx

sveta [45]

Answer:

Option 'B' is correct.

Step-by-step explanation:

Since we have given that

Number of lemons used is denoted by 'y'.

Number of glasses of lemonade is denoted by 'x'.

As we can observe that ,

$\frac{6}{24} = \frac{8}{32} = \frac{7}{28} = \frac{2}{8} = \frac{4}{16} = \frac{1}{4} \\$

so we can write i as

$\frac{x}{y} = \frac{1}{4}$

By cross multiplication

<em>y=4x</em>

So, if write it in the form y=kx,

It will be y=4x.

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2 years ago

Read 2 more answers