The table shows the height of different plants in inches. Create a line plot, hover over each number line.Then click and drag up
to plot the data.
A.- 10.25 11.25 11.00 10.50 10.50 11.00
B.- 10.75 10.25 11.00 10.25 10.50 10.75
C.- 10.25 10.25 10.50 11.25 11.00 10.75
A.- 10.25 11.25 11.00 10.50 10.50 11.00
B.- 10.75 10.25 11.00 10.25 10.50 10.75
C.- 10.25 10.25 10.50 11.25 11.00 10.75
1 answer:
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Answer:
(0.4958, 0.7422)
Step-by-step explanation:
Let p be the true proportion of water specimens that contain detectable levels of lead. The point estimate for p is . The estimated standard deviation is given by
. Because we have a large sample, the 90% confidence interval for p is given by
where
is the value that satisfies that above this and under the standard normal density there is an area of 0.05. So, the confidence interval is
, i.e., (0.4958, 0.7422).