Question
A Tootsie Pop is a sucker with a candy center. A famous commercial for Tootsie Pops once asked, How man licks to the center of
- A Tootsie Pop is a sucker with a candy center. A famous commercial for Tootsie Pops once asked, "How man licks to the center of a Tootsie Pop?" In an attempt to answer this question, Cory Heid of Siena Heights University asked 92 volunteers to count the number of licks required before reaching the chocolate center. The mean number of licks required was 356.1 with a standard deviation of 185.7. Find and interpret a 95% confidence interval for the number of licks required to reach the candy center of a Tootsie Pop.
2. A simple random sample of size n <30 for a quantitative variable has been obtained. Using the normal probability plot, the correlation between the variable and expected z-score, and the boxplot, judge whether a t-interval should be constructed. Explain how you know.
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Cambridge IGCSE And O Level Additional Mathematics CoursebookAuthors: Sue Pemberton 2nd Edition 1108411665, 9781108411660 |
