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VikaD [51]
3 years ago
11

Jake asked students, "How many hours do you sleep each night?" Three students said 7, two students said 8, four students said 9,

and 1 student said 10. Describe how he can display the data in a dot plot.
Mathematics
2 answers:
Lorico [155]3 years ago
7 0
I would say y being how many students, and x being how many hours.?
MariettaO [177]3 years ago
3 0

Answer:

he would make a number line from 7 to 10. and then he would put three dots over 7, two dots over 8, four dots over 9, and one dot over 10.

Step-by-step explanation:

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An equation of the line passing through points B and D is
noname [10]

Answer:

maths

this too hard idk like C idk bc C is betwwed B and D

7 0
3 years ago
Read 2 more answers
Does this question have any correct answer? I can't see how any of the answer choices are correct.
juin [17]

Answer:

the only one that would make sense is D because it says 1 pair of parallel and the left one only has one pair

Step-by-step explanation:

(you might want to ask your teacher though because its kind of misleading)

4 0
3 years ago
Can someone help me with this please ?
Arturiano [62]
3. (x + 1)/4 = 3 / 6
x + 1 = 3/6 x 4 = 2
x = 1

Scale factor = 6 / 4 = 1.5

Ratio of perimeters = 2 : 3

4. x / 21 = 20 / 15
x = 20 / 15 x 21 = 28

Scale factor = 20 / 15 = 4/3

Ratio of perimeters = 3 : 4
3 0
3 years ago
HELP!!<br> Which table is a probability distribution table?
fomenos

Answer:

Table 1 is the only table which represents PROBABILITY DISTRIBUTION table.

Step-by-step explanation:

In any given probability distribution:

1) The probability of each event should be strictly POSITIVE.

2) Sum of all events in a a distribution should be 1.

Now, here

A) All of the values of probability (0.11, 0..5, 0.49,0.35)  are positive.

Also, 0.11 +  0.5 +  0.49 + 0.35  = 1

So, the given table is a PROBABILITY DISTRIBUTION.

B)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Blue) =  -1, which is negative.

C)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Green) =  -0.49, which is negative.

D)The table is NOT a PROBABILITY DISTRIBUTION as here

P(Purple) =  -0.1, which is negative.

Hence, table 1 is the only table which represents  PROBABILITY DISTRIBUTION table.

3 0
3 years ago
A shop repairs both audio and video components. Let A denote the event that the next component brought in for repair is an audio
kow [346]

Answer: 0.6

Step-by-step explanation:

The probability formula to find p(B/A) is :

P(B/A) = p(A n B) / p(B)

Which means that A is contain in B and p(A n B) is p(A)

p(A n B)= p(A)=0.6 × 0.05 = 0.03

p(B)=0.05

Therefore

P(B/A) = p(A n B) / p(B)=p(A) / p(B)

P(B/A)=0.03 / 0.05

P(B/A)=0.6

5 0
4 years ago
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