At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of 73 and a standard deviation of 14. The scores on the calculus final are also approximately normally distributed, with a mean of 80 and a standard deviation of 14. A student scored 79 on the chemistry final and 82 on the calculus final. Relative to the students in each respective class, in which subject did the student do better

80% of the cookies

step-by-step explanation:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

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answer

b

step-by-step explanation: