Mathematics, 23.10.2020 04:01, peoplearecoming
Starbucks or Tim Hortons? A university student frequents one of two coffee houses on campus, choosing Tim Horton 70% of the time and Starbucks 30% of the time. Regardless of where she goes, she buys a decaffeinated coffee on 60% of her visits
a. The next time she goes into a coffee house on campus, what is the probability that she goes to Tim Hortons and orders a decaffeinated coffee?
b. Are the two events in part a) independent? Explain
c. If she goes into a coffee house and orders a decaffeinated coffee, what is the probability that she is at Starbucks?
d. What is the probability that she goes to Tim Hortons or orders a decaffeinated coffee or both?
Answers: 2
Mathematics, 21.06.2019 22:00, rwlockwood1
If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?
Answers: 1
Mathematics, 22.06.2019 00:30, madelyngv97
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
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