Suppose that the mean cranial capacity for men is 1020 cc (cubic centimeters) and that the standard deviation is 300 cc. Assuming that men's cranial capacities are normally distributed, complete the following statements. (a) Approximately 68% of men have cranial capacities between cc and cc . (b) Approximately ? 8 of men have cranial capacities between 420 cc and 1620 cc.

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Suppose that the mean cranial capacity for men is 1020 cc (cubic centimeters) and that the standard deviation is 300 cc. Assuming that men's cranial capacities
are normally distributed, complete the following statements.
(a) Approximately 68% of men have cranial capacities between cc and c .
(b) Approximately ?
e of men have cranial capacities between 420 cc and
1620 cc.
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Transcribed Image Text:Suppose that the mean cranial capacity for men is 1020 cc (cubic centimeters) and that the standard deviation is 300 cc. Assuming that men's cranial capacities are normally distributed, complete the following statements. (a) Approximately 68% of men have cranial capacities between cc and c . (b) Approximately ? e of men have cranial capacities between 420 cc and 1620 cc. Calendar ... ... W MacBook Air DD 吕0 888 F10 F11 F9 F7 F8 F4 F5 F1 F2 F3 23 $ % & @ 7 8 9 2 3 4 P W E R T Y
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