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Flura [38]
2 years ago
14

The dot plots below show the ages of students belonging to two groups of music classes:

Mathematics
2 answers:
kolbaska11 [484]2 years ago
4 0

Answer:

Step-by-step explanation:

8

natta225 [31]2 years ago
3 0
Group a because the mean of group a is 6.25 while the mean for group b is 3.57
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The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of .4 minutes
Kazeer [188]

The  probability that an interaction lasts longer than 4 minutes is 0.0062.

<h3>What is probability theory?</h3>

probability theory in mathematics  focus on the  analysis of random phenomena and this theory let us know that the outcome of a random event cannot be determined before it occurs.

z = (4 - 3)/.4

z = 1/.4

z = 2.5

0.0062

Hence The  probability that an interaction lasts longer than 4 minutes is 0.0062.

Read more on the probability here:

brainly.com/question/3248965

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3 0
2 years ago
The employees at a bank ordered 4 turkey sandwiches and 2 salads at a local deli. The total cost of the order was $25. If a sala
Karo-lina-s [1.5K]

answer:

turkey sandwich = $6.50

salad = $5.50

explanation:

first, write equations to represent the problem.

4t+2s=37

t-s=1

then, you can use elimination, then algebra.

2t-2s=2

6t=39

3t=13

6 0
3 years ago
Read 2 more answers
30 Points, I'll mark brainliest
DIA [1.3K]

Answer:

Question1

1,000 tons

Question2

3:8

Question 3

Store D

Step-by-step explanation:


7 0
3 years ago
Trigonometry you have 10 liters of a juice blend that is 60% juice. suppose that you have added 15 liters of juice to the origin
ira [324]
Kfc and watermelon is the answer
6 0
3 years ago
What is the height of a cone with radius 5 and volume=100 π?
timurjin [86]
The height of the cone would be 10 being that fact that if multiplied by 2 you get 20x 5 equals 100
3 0
3 years ago
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