In a survey of 2, 315 adults, 1,913 reported that e-mails are easy to misinterpret, but only 1, 213 reported that telephone conversations are easy to misinterpret. Complete parts (a) through (c) below.
a. Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.
Let "x" be e-mails which is easy to misinterpret
Refer Z-table or use excel function "=NORM.S.INV((1-0.025))" to find the Z-value.
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