The grass in Jamie's yard grew 16 centimeters in 10 days. It was growing at a constant rate. How many days did it take the grass
2 answers:
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Answer:
The distance cover by him walking back is 11.25 miles
Step-by-step explanation:
Given as :
Time for Janelle to spend on training = 5 hours
The running speed of Janelle = 9 mph
The walking back with 3 mph
Let The distance for running and walking is same i.e D miles
SO, Time =
∴ 5 = +
Or, 5 × 9 = D + 3 D
Or, 45 = 4 D
∴ D = = 11.25 miles
Hence The distance cover by him walking back is 11.25 miles Answer
Answer:
The expected number of adult workers with a high school diploma is 4.
Step-by-step explanation:
This random variable X can be modeled with the binomial distribution, with parameters n=10 (the sample size) and p=0.4 (the probability that a adult worker have a high school diploma).
The expected value of X is then the mean of the binomial distribution with the parameters already mentioned.
This is calculated as: