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BartSMP [9]
3 years ago
6

A histogram titled Number of texts has time on the x-axis and texts on the y-axis. From 6 a m to 8 a m there were 15 texts, 8 to

10 a m: 5, 10 a m to 12 p m: 0, 12 p m to 2 p m: 0, 2 p m to 4 p m: 0, 4 to 6 p m: 29, 6 to 8 p m: 19, 8 to 9 p m, 14, 10 p m to 12 a m: 5.
Which statements are true given the histogram? Check all that apply.
The histogram is symmetrical.
The histogram is evenly distributed.
The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.
More texts were sent from 6 p.m.–8 p.m. than from 8 p.m.–10 p.m.
The peak from 4 p.m.–6 p.m. means that the highest number of texts was sent during this interval.
Mathematics
2 answers:
JulijaS [17]3 years ago
6 0

Answer:

The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.

The peak from 4 p.m.–6 p.m. means that the highest number of texts was sent during this interval.

Step-by-step explanation:

IM DORA

Varvara68 [4.7K]3 years ago
3 0

Answer:

The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.

More texts were sent from 6 p.m.–8 p.m. than from 8 p.m.–10 p.m.

Step-by-step explanation:

From 6 a m to 8 a m there were 15 texts,

8 to10 a m: 5, 10 a m to 12 p m: 0,

12 p m to 2 p m: 0,

2 p m to 4 p m: 0,

4 to 6 p m: 29,

6 to 8 p m: 19,

8 to 9 p m, 14,

10 p m to 12 a m: 5.

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The waiting time, in minutes, to see a teller at a large bank follows an exponential distribution. If the proportion of all cust
Arada [10]

Answer: 0.00067 minutes

Step-by-step explanation: if the proportion of customers who wait more than 15 minutes is 0.01, then the time interval between each waiting customer 15/0.01 = 1500 minutes.

The distribution that defines this question is that of an exponential.

An exponential distribution is dependent on the fixed time rate at which the event is occurring (λ)

For this question of ours, λ = 1500 minutes.

The mean of an exponential distribution is given as

u = 1/ λ = 1/1500 = 0.00067 minutes.

4 0
3 years ago
What is 6.7 x (-2.3) round to the nearest hundredth
Vaselesa [24]
Your answer would be -15.41. If you ever need any other kind of help, just ask me.
6 0
3 years ago
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Alvin is 7 years younger than Elgas. The sum of their ages is 63. What is Elgas age?
Elden [556K]

Answer:

Elgas is 35.

Step-by-step explanation:

Let's set up an equation.

Alvin is 7 years younger than Elgas.

A = E - 7

The sum of their ages is 63.

A + E = 63

Let's use substitution.

Plug in the first equation of A into the second equation.

A + E = 63

(E - 7) + E = 63

Combine like terms.

2E - 7 = 63

Add 7 to both sides.

2E = 70

Divide both sides by 2.

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Hope this helps!

6 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH THIS ONE? THANK YOU!
hammer [34]
Wait is the middle school.
8 0
3 years ago
14 POINTS 7x - 3 = 18
Svetlanka [38]
Subtract 3 first so it would be 7x=15
then divide by 7 so x would be approximately 2.14
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