What number should be added to the sum of 83524 and 4365 to get 900.
1 answer:
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Answer:
Step-by-step explanation:
Information provided
n=100 represent the random sample taken
X=21 represent the number of bags overfilled
estimated proportion of overfilled bags
is the value that we want to test
z would represent the statistic
Hypothesis
We need to conduct a hypothesis in order to test if the true proportion of overfilled bags is higher than 0.15.:
Null hypothesis:
Alternative hypothesis:
The statistic for this case is:
(1)
And replacing the info given we got:
Answer:
we have
using a graphing tool
see the attached figure
The graph crosses the x axis at and touches the x axis at
.
therefore
<u>the answer is the option</u>
The graph crosses the x axis at and touches the x axis at
.
