Mathematics, 05.12.2019 03:31 jonnie27
{exercise 8.41 (algorithmic)} america's young people are heavy internet users; 87% of americans ages 12 to 17 are internet users (the cincinnati enquirer, february 7, 2006). myspace was voted the most popular website by 9% in a sample survey of internet users in this age group. suppose 1,450 youths participated in the survey. what is the margin of error, and what is the interval estimate of the population proportion for which myspace is the most popular website? use a 95% confidence level and round your answers to 3 decimals. for interval estimate enter your answer using parentheses and a comma, in the form (n1,n2). do not use commas in your numerical answer (i. e. use 1200 instead of 1,200, etc.)
Answers: 2
Mathematics, 21.06.2019 15:30
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
Mathematics, 21.06.2019 19:30
We just started the introduction into circles and i have no idea how to do this.
Answers: 3
{exercise 8.41 (algorithmic)} america's young people are heavy internet users; 87% of americans age...
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