Learning Task 3: Read and interpret the graph. Answer the questions that follow on your pape School Books English Math 20 80 60
Number of Books Key: Light Bar-2013: Dark Bar- 2014 1. What is the title of the double horizontal bar graph? 2. What information is found in the horizontal axis? 3. How many pupils chose math book? 4. How many more Math books than English books were borrowed? 5. How many Math books were borrowed in 2013? 2014? 6. How many more books were borrowed in 2014 than 2013? Books 
1 answer:
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Answer:
a) 0.3125 per hour
b) 2.225 hours
c) 8.9 hours
d) 12.1 hours
e) 80%
Step-by-step explanation:
Given that:
mean time = 3.2 hours, standard deviation (σ) = 2 hours
The mean service rate in jobs per hour (λ) = 2 jobs/ 8 hour = 0.25 job/hour
a) The average number of jobs waiting for service (μ)= 1/ mean time = 1/ 3.2 = 0.3125 per hour
b) The average time a job waits before the welder can begin working on it (L) is given by:
c) The average number of hours between when a job is received and when it is completed (Wq) is given as:
d) The average number of hours between when a job is received and when it is completed (W) is given as:
e) Percentage of the time is Gubser's welder busy (P) is given as:
Answer:
V = 3591.4 cm³
Step-by-step explanation:
Volume of Sphere =
Where r = 9.5 cm
V =
V =
V =
V = 3591.4 cm³