You purchase for videos of the original price of each video is X dollars you decide to purchase a limited edition version of the videos for an additional cost your cost is parentheses 4X plus $20 what can you conclude about the additional cost for the limited edition version of the video

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?