The age in united states has a normal distribution wit a mean 46 years and the standard deviation 13 years .the children are classified as those younger than 18 years and the middle age citizen are those in the age group 18-55. if a citizen is ramdomly choosen ,what is the probability that he or she is a middle age

1/8 3/16 3/4

step-by-step explanation:

you put them as all the same denominator and multiply

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: