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Gnesinka [82]
3 years ago
8

The table shows the results of drawing colored marbles from a bag. What would be expected to happen to the experimental probabil

ity of drawing a white marble as the number of draws increases?
A. The experimental probability will likely decrease.
B. The experimental probability will likely increase.
C. The experimental probability will likely stay about the same.

Mathematics
1 answer:
9966 [12]3 years ago
8 0
It depends on what you draw. So I'd like to say C, because you could pull up all the white marbles the first few draws, or none the first few and every other marble. It really depends.
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The average (arithmetic mean) of y numbers is x. if 30 is added to the set of numbers, then the average will be x - 5. what is t
Anastasy [175]
Given,

AM of y numbers = x.

Let the sum of y numbers be s.

AM of y numbers = x

\frac{s}{y} = x

s = y*x

Given, when 30 is added to the y numbers, the AM becomes x - 5.

\frac{s + 30}{y + 1} = x - 5

\frac{y*x + 30}{y +1} = x - 5


y*x + 30 = (x -5)( y +1)

y*x + 30 = y*x + x - 5y -5

5y = x - 5 -30 = x - 35


y =  \frac{x -35}{5} 
8 0
4 years ago
Theo is a cleaner,
GaryK [48]

Step-by-step explanation:

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1 1/2 hours = 90 mins

add all these:

110

90

85

55

35

when you add all these you get 375

every hour has 60 minutes

375 ÷ 60 = 6.15

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4 0
2 years ago
Which of the following is equivalent to? 19 ​
11Alexandr11 [23.1K]

Answer:

we dont see the numbers

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
1/2(6 2/3+1/4)-5/24=
Helen [10]

For this case we must simplify the following expression:

\frac {1} {2} (6 \frac {2} {3} + \frac {1} {4}) - \frac {5} {24} =

We convert the mixed number to an improper fraction:

6 \frac {2} {3} = \frac {3 * 6 + 2} {3} = \frac {20} {3}

So, by rewriting we have:

\frac {1} {2} (\frac {20} {3} + \frac {1} {4}) - \frac {5} {24} =\\\frac {1} {2} (\frac {4 * 20 + 3 * 1} {4 * 3}) - \frac {5} {24} =\\\frac {1} {2} (\frac {80 + 3} {12}) - \frac {5} {24} =\\\frac {1} {2} (\frac {83} {12}) - \frac {5} {24} =

\frac {83} {24} - \frac {5} {24} =\\\frac {83-5} {24} =\\\frac {78} {24} =\\\frac {39} {12} =\\\frac {13} {4} =\\3 \frac {1} {4}

Answer:

3 \frac {1} {4}

5 0
3 years ago
How do you make a unit rate?
Hatshy [7]
When rates are expressed as a quantity of 1, such as 2 feet per second<span> or </span>5 miles per hour<span>, they are called unit rates. If you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.</span>
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