First do .80 x 10 to get $8 then add 8 to 5.50 to get $13.50
Answer:
it is B
explanation: I did it and I got it right
Answer: n+12 explanation: you’re just adding 12 more to the number or variable.
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.
Answer:
13, they could all split up into groups of 1
Step-by-step explanation: