A researcher wishes to estimate the proportion of people within a certain population who are HIV positive. Obtain a sample size that will ensure a margin of error of at most 4.8 percentage points for a 95 confidence interval.
Assume that it is reasonable to presume that the percentage of those sampled who are HIV positive will be between 3 and 7.
A) 49 B) 417 C) 109 D) 117
Question 2
The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 13. Find the standard deviation for the random variable X, the number of seeds germinating in each batch.
A) 1.587 B) 1.632 C) 1.652 D) 1.568
Roots of the keystone species hypothesis: does a higher proportion of predators in diverse communiti
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500
Creede, Colorado, circa 1890, a rough silver mining town that grew from 660 people in 1889 to over 1
In 2006 an Iraqi tribunal convicted Saddam Hussein of murdering his own people and sentenced him to
Women status and the population growth rates
People with normal color vision see the number 29 in the chart; however, those who are color-blind c