Stats 1200 Exam 2 2024 Questions and Verified Answers (2024 / 2025) 100% Guarantee Pass A biologist claims that nearly 45 percent of all Americans have brown eyes.
A random sample of
n=90 Mizzou students found 18 with brown eyes. Give the numerical value of the
statistic
^
P
^
P=
Answer 0.2...
event B has probability 0.4, then the probability that A or B occurs is
Answer B
0.5 + 0.4
4. Government data assign a single cause for each death that occurs in the
United States. (Thus, in government terminology, causes of death are mutually
exclusive.) In a certain city, the data show that the probability is 0.35 that a
randomly chosen death was due to cardiovascular (mainly heart) disease, and
0.15 that it was due to cancer.
(a) The probability that a death was due either to cardiovascular disease or to
cancer is
(b) The probability that the death was not due to either of these two causes is
Answer 0.35+0.15
0.5
5. Blood Type O A B AB
Probability 0.12, 0.35, 0.12, ?
(a) Maria has type B blood. She can safely receive blood transfusions from
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