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olga_2 [115]
3 years ago
12

ANSWER NOW PRONTO STACKED PLSSSSSS 20 POINTS

Mathematics
1 answer:
skad [1K]3 years ago
6 0

Answer:

6.7 I think

Step-by-step explanation:

hope this helps

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A college statistics class at a nearby university has 1,000 students enrolled in it. On a recent exam, the mean score was 75% wi
IceJOKER [234]

Answer:

38.11%

Step-by-step explanation:

Given that:

Mean (μ) = 75, standard deviation (σ) = 5

Z score is a measure in statistics to determine the variation of a raw score from the mean. It is given by the equation:

z=\frac{x-\mu}{\sigma}

To calculate the percentage of students scored between a 73 and 78 (C grade), we need to find the z score for 73 and then for 78.

For x = 73, the z score is:

z=\frac{x-\mu}{\sigma}=\frac{73-75}{5} =-0.4

For x = 78, the z score is:

z=\frac{x-\mu}{\sigma}=\frac{78-75}{5} =0.6

From the probability distribution table:

P(73 < x < 78) = P(-0.4 < z < 0.6) = P(z < 0.6) - P(z < -0.4) = 0.7257 - 0.3446 = 0.3811 = 38.11%

4 0
3 years ago
The line A bus arrives at the stop every 25 min. and the line B bus arrives every 15 min. Both arrive at the bus stop at 1 pm. A
worty [1.4K]

Answer:

love you sweety

Step-by-step explanation:

love u sweety sweety

6 0
3 years ago
2 thirds of a number plus 5 is greater than 12
Amanda [17]

Answer:

2/3 of n +5>12

Step-by-step explanation:

6 0
2 years ago
exercise 5 explain how you know the values of the digits in the number 58?then exercise 6 `explain why you should record a 1 in
melamori03 [73]
58 is 50 plus 8. So its 50 and 8.That is for the first one.
3 0
3 years ago
PLEASE HELP I WILL MARK BRILLIANT WHOEVER CAN ANSWER this question And I will only accept if you explain with a well answer Than
Sveta_85 [38]
Move it to the right 1 unit and up 3 units
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