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vfiekz [6]
3 years ago
11

Plot A shows the number of hours ten girls watched television over a one-week period. Plot B shows the number of hours ten boys

watched television over the same period of time. Television Viewing Hours for a One-Week Period 2 dot plots with a number line going from 0 to 10. Plot A has 0 dots above 0, 1, and 2, 1 dot above 3, 2 above 4, 2 above 5, 2 above 6, 2 above 7, 0 above 8 and 9, and 1 above 10. Plot B has 0 dots above 0, 1, and 2, 1 dot above 3, 2 above 4, 3 above 5, 3 above 6, 1 above 7, and 0 above 8, 9, and 10. Which statement compares the shape of the dot plots? There is a gap in both plots. There is a gap in Plot A, but not in Plot B. The data is spread widely across both plots. The data is spread widely across Plot B, but not across Plot A.
Mathematics
2 answers:
Andreas93 [3]3 years ago
7 0

Answer:

It's B!

Step-by-step explanation:

ehidna [41]3 years ago
6 0

Answer:

There is a gap in Plot A, but not in Plot B

Step-by-step explanation:

There is a gap in Plot A because there are 2 dots above 7 hours, 0 dots above 8 and 9 hours and 1 dot above 10 hours.

There is no gap in Plot B.

The data is spread widely across Plot A, but not across Plot B.

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Assume that the time it takes the housekeeping crew of a local hotel to clean a room varies uniformly between 28 and 45 minutes.
siniylev [52]

Answer:

The probability that the next room will require less than 32 minutes to clean

0.222222 = 22.22%

The probability that the next room will require more than 30 minutes to clean.

0.833333 = 83.33%

The mean

36.5

Standard deviation of the distribution

26.92

Step-by-step explanation:

Total Probable Outcomes = 18

Event 1

Possible outcomes less than 32 = 32-28 = 4

Probability less than 32 = 4/18 = 2/9 = 0.222222

Event 2

Possible outcomes less than 32 = 45-30 = 15

Probability less than 32 = 15/18 = 5/6 = 0.833333

Mean

Mean = (28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45)/18 = 36.5

Standard deviation of the distribution

*MS Excel file is attached for solution.

Download xlsx
4 0
3 years ago
Write an equation for the following situation: 15 less than a number is equal to 12
weeeeeb [17]
Break it down
"15 less than " means -15
"a number" means unknown or placeholder means x
"is equal to" means '='
'12' means 12
-15+x=12
add 15
x=27
3 0
3 years ago
What is an equation, in standard form, of the line through (1, 7) and (-2, -3)?
stellarik [79]

Answer:

y= 1/3x + 3.66

Step-by-step explanation:

4 0
3 years ago
Two sets of three consecutive integers have a property that the product of the larger two is
skelet666 [1.2K]

Answer:

{1, 2, 3},  {3, 4, 5}

Step-by-step explanation:

Write expressions for three consecutive integers:  n, n + 1, n + 2.

Set up an equation for the verbal description: the product (mulitplication) of the two larger integers (the last two) is one less than 7 times the smallest (the first one).

(n + 1)(n + 2) = 7n - 1

Multiply (FOIL) the left side.

n^2 + 3n + 2 = 7n - 1

Subtract 7n and subtract 1 to make the right side 0.

n^2 - 4n + 3 = 0

Factor.

(n - 1)(n - 3) = 0

Set the two factors equal to 0

n - 1 = 0,  n - 3 = 0

Solve for n.

n = 1,  n = 3

One set of integers begins with 1, so it's {1, 2, 3}.

The other set begins with 3, so it's {3, 4, 5}

5 0
3 years ago
6. Evan has 4 chocolate bars with a total of 48 pieces. How many pieces are in each bar? pieces per bar​
murzikaleks [220]

Answer: 12

Step-by-step explanation: hope this helped

7 0
3 years ago
Read 2 more answers
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