Wyatt plays on the school baseball team. In the last 10 games, Wyatt was at bat 45 times and got 21 hits. What is the experimental probability that
Wyatt will get a hit during his next time at bat? Express your answer as a
fraction in simplest form.*

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

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

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?