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Biotech wants to study the side effects of their COVID-19vaccination. Its research team collect data and show that 73% of vaccinated patients had a side effect, and 37% of patients who received a placebo had a side effect. The team knows that 45% of sampled patients were vaccinated and the rest had a placebo. As such, the team would like to determine the following; (1) the probability that a patient received a placebo, (2) among vaccinated patients, the probability that a patient has no side effect, (3) among patients who received a placebo, the probability that a patient has no side effect, (4) the probability of a patient who has a side effect, (5) among patients who had a side effect, the probability that a patient is vaccinated, (6) among patients who had no side effect, the probability that a patient is vaccinated, (7) among patients who had a side effect, the probability that a patient received a placebo, and (8) among patients who had no side effect, the probability that a patient received a placebo.
a. Twenty two subjects are each tested on a simple reaction time task and on a choice reaction time Task.
Vehicle color preferences differ in different regions. Here are data on the most popular colors in 2011 for several different regions of the world:
Test the hypothesis at the a = .01 level of significance that the proportion p1 of middle school girls who work a summer job before entering high school.
Sketch a graph of the certain of equivalent of each bid vs. the bid amount. Label any significant values on the graph.
Estimate the population in 1600 and graph the population trend from 1600 through to 2000
Katie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and her level of aggression.
The ACT is also distributed with meanof 21 and standard deviation of 4.7. Rachel wants to be in the 98th percentile on each test. What scores must she recieve on each exam?
Can someone please explain how to find a test statistic given observed frequencies and relative frequencies?
Can you tell me which one is correct and why? - I got really confused because I thought I was right when I chose A. "A botany student counted 11 blades
A retailer believes that its new advertising strategy will increase sales. Previously, the mean spending in 15 categories of consumer items in both the 18-34 and 35+ age groups was $70.00. (For all hypothesis tests, assume the level of significanc..
We define probabilities for various normal distributions. However, we use one single table (Standard Normal Distribution Table) for all of them.
Find the proportion of people in the survey who believe astrology is very scientific.
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