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:

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:

So,
Out of 1000 randomly selected SAT verbal scores, 1000(0.2673) = 267.3 are expected to have greater than 575.
X=5 and Y = 8
Because 5 times 8 equals 40 and -6 times 5 equals -30 so 40-30 equals 10 and 10-10 equals 0
Answer:X^12
Step-by-step explanation:
Answer:
4a + 3b
Step-by-step explanation:
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