QUESTION 4 Heights of 10-year-old boys is normally distributed with a mean=138 cm and a standard deviation=7 cm. What proportion is
less than 140 cm in height? Don't forget to look up the Z in Table 1 to find your probability. Record your answer to two
decimal places.
0.38

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

i think it is 18

step-by-step explanation:

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: