3 years ago

How to determine if an outcome is unusual

1 answer:

3 0

The only way to determine whether or not an outcome is unusual or not is to compare it with previous or future outcomes.

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A sports club needs to raise at least $500 by selling chocolate bars for $2.50 each. Sebastian wants to know how many chocolate

o-na [289]

They would need to sell 200 chocolate bars

6 0

2 years ago

Read 2 more answers

What is the standard deviation of the following data set rounded to the nearest tenth? 60, 40, 35, 45, 39

larisa [96]

Answer:

i think it would be 8.7

Step-by-step explanation:

3 0

3 years ago

(2.3 x 10 to the power of 4) times ( 1.5x10 to the power of minus 3) in standard form

Eduardwww [97]

Answer:

$3.45\times10$

Step-by-step explanation:

$(2.3 \times 10^{4}) \times ( 1.5 \times10^{-3} )= 2.3\times1.5\times10^{4}\times10^{-3}$

$= 3.45\times 10^{((4)+(-3))}$

$=3.45\times10$

6 0

3 years ago

of all the songs on a playlist, 1/3 are rock, 1/8 are dance, and the rest are country. what fraction of all the songs on the pla

igomit [66]

Answer:

13/24

Step-by-step explanation:

First, it would be easier to find the common denominator of 1/3 and 1/8. The easiest way to do that is to do 3x8=24. This means the common denominator is 24 and so we must convert the fractions so they have this denominator.

1/3 --> 8/24

1/8 --> 3/24

Now, we can simply add these fractions together to find out the fraction of songs that are NOT country songs.

8/24 + 3/24 = 11/24 songs are not country songs.

To find out the fraction of songs that are country, simply do 1 (or 24/24) take away 11/24.

24/24 - 11/24 = 13/24 songs are country songs.

5 0

2 years ago

Monica paid sales tax of $1.60 when she bought a new bike helmet. If the sales tax rate was 8%, how much did the store charge fo

Lapatulllka [165]

To find the total from the percent part you have, you divide the part by the percentage.
1.50÷0.05=30
The total is $30
The total the store charged, including sales tax, is $31.50.

5 0

2 years ago