Answer: Pr= 42.9%
Step-by-step explanation:
SD = 4.2
Mean = 9.4
That is data are distributed between 9.4+/-4.2
Which is between 5.2 - 13.6
Probability of at least 10lb is given by;
Pr= 13.6-10 / 13.6-5.2
Pr= 3.6/ 8.4
Pr= 0.4286× 100%
Pr= 42.9%
1 piece of pipe ⇒ 3/4 feet
How many pieces? = 27 feet
27 × 1 ÷ 3/4 = 27 × 4/3 = 36 pieces.
Answer:
6
Step-by-step explanation:
6 X 7 = 42
22.65 is the answer. Just need to long divide
