In June 30, 2012, the Ventura County Star reported that 63% of employers allow employees to work from home sometimes (this is up from 34% in 2005). Suppose a random sample of 400 employers shows that 235 allow some work from home. Test the hypothesis that the percentage is not 63%, using a significance level of 0.10.
Answer to relevant QuestionsIn 2012 the Ventura County Star reported that 77% of employers allow employees to use flex time and periodically change their start and quit times (this is up from 66% in 2005). Suppose a random sample of 200 employers shows ...Some sources report that the weights of full-term newborn babies have a mean of 7 pounds and a standard deviation of 0.6 pound and are normally distributed. In the given outputs, the shaded areas (reported as p =) represent ...A random sample of 10 colleges from Kiplinger’s 100 Best Values in Public Education was taken. The mean debt after graduation was $18,546 with a margin of error of $1398. The distribution of debts is Normal. a. Decide ...The distribution of the scores on a certain exam is N(70, 10), which means that the exam scores are Normally distributed with a mean of 70 and standard deviation of 10. a. Sketch the curve and label, on the x-axis, the ...Data on the disk and website show reaction distances in centimeters for the dominant hand for a random sample of 40 independently chosen college students. Smaller distances indicate quicker reactions. a. Make a graph of the ...
Post your question