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katen-ka-za [31]
3 years ago
13

The universal set is the set that contains no elements. True False

Mathematics
1 answer:
scoray [572]3 years ago
6 0

Step-by-step explanation:

False.

it is the set of everything in the observed system.

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Select the correct answer from the drop-down menu. a coin is biased to display heads 75% of the time. it is tossed 20 times, and
ella [17]

The most improbable simulation for this coin is the heading when a coin is tossed 20 times will be 15.

<h3>What is probability?</h3>

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1. Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

A coin is biased to display heads 75% of the time.

It is tossed 20 times, and the outcomes are recorded.

Then the probability of getting heads when a coin is tossed 20 times. Then we have

\rm P = 0.75 \times 20 = 15

More about the probability link is given below.

brainly.com/question/795909

6 0
2 years ago
26% of 48 is what number
scoray [572]
  x         26
-----  =  -----
 48       100

cross-multiply...

100x = 48*26

then solve for x

Hope this helps!






7 0
3 years ago
Jason and Jill or two students in mr. White's math class. On the last 5 quizzes Jason scored an 80 90 95 85 and 70. Jill scored
Mrac [35]

Jason's scores : 80 90 95 85 70 and

Jill's score : 70 75 90 100 95.

Mean of Jason's scores = \frac{80 + 90 + 95 + 85 + 70}{5}=\frac{420}{5}=84.

Mean of Jill's scores = \frac{70+75+90+100+95}{5}=\frac{430}{5}=86

Now, in order to find the mean absolute deviation, need to find the difference of each score from means.

<u>Mean absolute deviation for Jason's scores.</u>        

|84-80| = 4

|84-90| = 6

|84-95| = 9

|84-85| = 1

|84-70|= 14

\frac{4+6+9+1+14}{5}=\frac{34}{5}=6.8

<u>Mean absolute deviation for Jill's scores</u>

|86-70| = 16

|86-75| = 11

|86-90| = 4

|86-100| = 14

|86-95|= 9

\frac{16+11+4+14+9}{5}=\frac{54}{5}=10.8

Jill got average quiz score 86 and Jason got 84.

Therefore, Jill got better quiz average.

Also, the mean absolute deviation for Jason scores is less that is 6.8 than 10.8.

Therefore, Jason got more consistent grades.

8 0
4 years ago
4-0.25g+0.5h= when g=10, h=5
neonofarm [45]
The answer to this problem is 4
4 0
3 years ago
Read 2 more answers
HElp me please Asap !!!
gregori [183]

Answer: The answer is 36 because 3x3x4 equals 36

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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