The weight of an organ in adult males has a bell-shaped distribution with a mean of 330 grams and a standard deviation of 20 grams. Use the empirical rule to determine the following.
LEGE (a) About 95% of organs will be between what weights?
(b) What percentage of organs weighs between 310 grams and 350 grams?
(c) What percentage of organs weighs less than 310 grams or more than 350 grams?
(d) What percentage of organs weighs between 270 grams and 370 grams?
(a) and grams (Use ascending order.)
(b) 1% (Type an integer or a decimal.)
() % (Type an integer or a decimal.)
(d) % (Type an integer or decimal rounded to two decimal places as needed.)
5

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a and c

step-by-step explanation:

the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is

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step-by-step explanation: