andrew412603
07.03.2020 •
Mathematics
First Data Corp. records indicate that in 2005, 43% of adult email users received a phishing email. A phishing email replicates an authentic site for the purpose of stealing personal information such as account numbers and passwords. Suppose a random sample of 800 adults will be surveyed on whether they have received phishing emails to determine recent trends. Give the mean of the sample distribution of LaTeX: \hat{p}p ^. Give your answers in decimal form and round to two decimal places. (Example: 0.39)
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Ответ:
The answer is 0.43
Step-by-step explanation:
Given:
43 percentage (43%) of the adult users received a phishing e - mail
Total numbers of adult selected at random for phishing e - mail = 800
Solution
Let Y represent Total numbers of adults sampled at random
Let X represent the number of adults that received
:. X = 43% of Y
43% of 800
=
x 800 = 344.
mean =
= 
mean of the sample distribution = 0.43
Ответ: