Answer:
The answer is 31/100
Step-by-step explanation:
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are 2 numbers to the right of the decimal point, place the decimal number over 10
2
(
100
)
. Next, add the whole number to the left of the decimal.
Answer:
1 : 4
Step-by-step explanation:
Let x represent the amount of 30% solution for 1 unit of 5% solution. Then the amount of acid in the mix is ...
0.30x + 0.05·1 = 0.10·(x +1)
0.30x + 0.05 = 0.10x + 0.10 . . . . eliminate parentheses
0.20x = 0.05 . . . . . . . . . . . . . . . . subtract 0.05+0.10x
x = 0.05/0.20 = 1/4
That is, the ratio x : 1 is 1 : 4.
Answer:
Expected value =0.9
Standard deviation = 0.4359
Step-by-step explanation:
Let's use the formula to find expected value or mean.
Expected value =Σ x *P(x)
x 0 1 2
P(x) ) .15 .8 .05
So, expected value = (0)(0.15) +1(0.8)+2(0.05)
= 0 +0.8 +0.1
=0.9
Expected value =0.9
Now, let's find standard deviation
x 
0 
=0.1215
1 
=0.008
2 
=0.0605
Now, add the last column together and then take square root to find standard deviation.
Standard deviation of the distribution =
Simplify it, so standard deviation =0.4358898...
Round the answer to nearest four decimal places
Standard deviation = 0.4359
Answer:
y=x^7+65x^4+64xu200b
Step-by-step explanation:
Use: 0, 4, 6, 11, 9, 8, 9, 1, 5, 9, 7 to construct a box-and-whisker plot. List the maximum, minimum, and quartiles
gulaghasi [49]
Answer:
Step-by-step explanation:
<h3>Given</h3>
- 0, 4, 6, 11, 9, 8, 9, 1, 5, 9, 7
<h3>To find</h3>
- List 5 points of box and whisker plot
<h3>Solution</h3>
<u>Step 1</u>
<u>Putting the data in the order from smallest to greatest:</u>
- 0, 1, 4, 5, 6, 7, 8, 9, 9, 9, 11
<u>Step 2</u>
- The minimum and maximum = 0 and 11
- Medium quartile is the middle number ⇒ Q2 = 7
- First quartile = middle of the lower part ⇒ Q1 = 4
- Third quartile = middle of the highest part ⇒ Q3 = 9
<u>So the 5 numbers are:</u>
