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Mathematics, 18.11.2020 17:30 quigley523

First Data Corp. records indicate that in 2005 43% of adult email users received a phishing email. A phishing email replicates an authenticsite 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.1. Give the mean and standard deviation of the sample distribution of hatp. Determine the probability that more than 45% of those in a survey would have received a phishing email.2. What is the z-score for a 45% probability? 3. What is the probability that more than 45% ofthose in a survey would have received a phishing email?

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First Data Corp. records indicate that in 2005 43% of adult email users received a phishing email. A...
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