A biologist studying trees constructed the confidence interval (0.14, 0.26) to estimate the proportion of trees in a large forest


My question:

A biologist studying trees constructed the confidence interval (0.14, 0.26) to estimate the proportion of trees in a large forest that are dead but still standing. If the sample size used to construct the interval was 50 trees, how many of them were dead but still standing?
a. Anywhere from 7 to 13
b. 20
c. 3
d. 10
e. 6


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