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Sergeu [11.5K]
2 years ago
12

Experience shows that few students hand in their statistics exams early; most prefer to hand them in near the end of the test pe

riod. This means the time taken by students to write exams is positively skewed.
a. True
b. False
Mathematics
1 answer:
konstantin123 [22]2 years ago
4 0

Answer:

False

Step-by-step explanation:   6 28 13  50

skewing to the right of a sysmetrical distribution is a negative skew

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SOMEONE PLEASE I NEED HELP!!!!!!!
Genrish500 [490]

Answer:

1 1/2 cups

Step-by-step explanation:

2/3 cup of almonds = 4 cups of trail mix

4 cups of trail mix = 2/3 cup of almond

4 cups of trail mix = 2/3 cup of almond

1 cup of trail mix = 2/3 ÷ 4 = 1/6 cup of almond

1 cup of trail mix = 1/6 cup of almond

9 cups of trail mix = 1/6 x 9 = 3/2 cup of almond

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7 0
2 years ago
Setup a rational equation and solve it from the word problem. Mr. Solberg can ride his scooter 3 miles against the wind in the s
dolphi86 [110]

Answer:

The speed of Mr Solberg's scooter when there is no wind is 35 miles per hour

Step-by-step explanation:

The given parameters are;

The time Mr. Solberg rides his scooter and cover 3 miles against the wind = The time Mr. Solberg rides his scooter and cover 4 miles with the wind

The speed of the wind = 5 miles per hour

Let v, represent the speed of Mr Solberg's scooter when there is no wind, we have;

Time = Distance/Speed

Mr Solberg's speed against the wind = v - 5

Mr Solberg's speed with the wind = v + 5

The distance covered at a given time, while riding against the wind = 3 miles

The distance covered at the same time, while riding with the wind = 4 miles

The time in both instances are therefore 3/(v - 5) = 4/(v + 5)

From which we have;

3 × (v + 5) = 4 × (v - 5)

3·v + 15 = 4·v - 20

20 + 15 = 4·v - 3·v

4·v - 3·v = 20 + 15

v = 35

The speed of Mr Solberg's scooter when there is no wind = v = 35 miles per hour.

7 0
3 years ago
Give the coordinates and quadrant of Point Z
Lorico [155]

Answer:

(9,10) and Quadrant I

Step-by-step explanation:

I hope this helps you :)

4 0
3 years ago
Can you help me find x?
kozerog [31]

Answer:

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Step-by-step explanation:

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3 years ago
Which one express a ratio between 3/4, 3:4, 3 of 4 , 3 to 4
Alex777 [14]

Answer:

3/4, 3:4, 3 to 4

Step-by-step explanation:

5 0
2 years ago
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