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A person has six guns. The probability of hitting a target when these guns are properly aimed and fired is 0.6, 0.5, 0.7,0.9,0.7, and 0.8, respectively. What is the probability of hitting a target if a gun is selected at random, properly aimed, and fired?
At.02 significance level is it sensible to conclude that mean number of shoes sold at mall stores is larger than at outlet stores?
A professor want to know how students feel about gun control, so he surveys his students asking %60Are you in favor or opposed to gun control.%60 All of his students respond. What is the major source of possible bias in this study?
q1. in a study of the effects of stress on illness a researcher tallied the number of colds people contracted during a
a sample of 65 observations is selected from one population with a population standard deviation of .75. the sample
a large university wants to estimate what proportion of their full time math students are male. if a random sample of
according to the law school admission council in the fall of 2006 63 of law school applicants were accepted to some law
use the cramer-rao lower bound to identify the best unbiased estimate of the concerned parameter.1 xipoilambdathe
what does a negative correlation statistic value mean?a for most individuals both variables had values less than zerob
assume that the significance level is a0.05. use the given information to find the p value and the critical values.
Consumption of Saturated Fat: A nutritionist claims that the proportion of females who consume too much saturated fat is lower than the proportion of males who consume too much saturated fat.
State the null and alternative hypotheses using proper Statistical Notation
a study was commissioned to investigate the characteristics of properties that are for sale. data was collected on 60
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