4 plus the product of 2 and 7please help me
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Answer:
The proportion of all young adult women in the United States are taller than 6 feet(72 inches ) is
Step-by-step explanation:
From the question we are told that
The mean is
The standard deviation is
Generally 6 feet is equivalent to 6 * 12 = 72 inches
Generally the proportion of all young adult women in the United States are taller than 6 feet(72 inches ) is mathematically represented as
From the z-table
The area under the normal curve to the right corresponding to 2.963 is
=>
Answer:
C.
Step-by-step explanation:
To find the number of black ribbons one would have subtract the amount of red ribbons from the total number of ribbons. Then one would have to express it as a proportion. Part over whole equals percent over 100. The number of black ribbons over total ribbons equals "b" over 100.