The average is 130 parts per hour.
Step-by-step explanation:
Given,
Parts being made at factory = 521
521 parts are made in = 4 hours
Average parts per hour =
Average parts per hour =
Average parts per hour = 130.25 parts
Rounding off to nearest whole number
Average parts per hour = 130 parts
The average is 130 parts per hour.
Keywords: average, division
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Answer:
<em>The true average weight of geese is less than or equal to 40 pounds</em>
Step-by-step explanation:
The null hypothesis and the alternative hypothesis are two mutually exclusive statements or hypotheses that are made about a population. The purpose is to find out if, through a study of the data, sufficient evidence is obtained to reject one and accept another
The null hypothesis is denoted as and the alternative hypothesis as
As they are two mutually exclusive statements then if
: <em>"The true average weight of the geese is greater than 40 pounds"</em>
the alternative hypothesis must be the opposite of the null hypothesis
: <em>"The true average weight of geese is less than or equal to 40 pounds"</em>
Answer:
12 people
Step-by-step explanation:
There were 40 last year. 30% more would be:
30%*40 = 12
Therefore, this year, there were 12 more people.
Answer:
45 i believe
Step-by-step explanation:
Answer:
(-1, 5)
Step-by-step explanation:
3 [x + y = 4]
3x + 3y = 12
- 3x + 7y = 32
-4y = -20
y = 5
x + 5 = 4
x = -1