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DochEvi [55]
3 years ago
12

How to solve this problem

Mathematics
1 answer:
solmaris [256]3 years ago
5 0
Absolute value because for any number given the y or answer will be no less than 0 it will.always be positive
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photoshop1234 [79]
The answer would be 212 :)
6 0
3 years ago
Read 2 more answers
Use the normal distribution of SAT critical reading scores for which the mean is 502 and the standard deviation is 116. Assume t
PSYCHO15rus [73]

Answer:

(a) 93.19%

(b) 267.3

Step-by-step explanation:

The population mean and standard deviation are given as 502 and 116 respectively.

Consider, <em>X</em> be the random variable that shows the SAT critical reading score is normally distributed.

(a) The percent of the SAT verbal scores are less than 675 can be calculated as:

P(X

Thus, the required percentage is 93.19%

(b)

The number of SAT verbal scores that are expected to be greater than 575 can be calculated as:

P(X>575)=P(\frac{x-502}{116}>\frac{575-502}{116}\\P(X>575)=P(Z>\frac{575-502}{116})\\P(X>575)=P(Z>0.6293)\\P(X>575)=0.2673

So,

Out of 1000 randomly selected SAT verbal scores, 1000(0.2673) = 267.3 are expected to have greater than 575.

8 0
3 years ago
Need help ASAP due in 7 minutes <br> Will make you brainlist
Reika [66]

Answer:

A

Step-by-step explanation:

A is the only answer with ordered pairs that have a consistent rate of change, -1/3

6 0
3 years ago
Jacob deposited $75 into his banking account on Tuesday. What integer represents his account on Tuesday?
Romashka-Z-Leto [24]
Positive 75 I believe
6 0
2 years ago
How many times does 7 go into 48
givi [52]
6 times because 6•7=42 so it must be 6 because 7•7=49
Good luck!!
4 0
3 years ago
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