7 This table shows how long a group of 92 holiday-makers are planning to stay in New Zealand, Length of stay (days)
15-21
29-42
Frequency
6
22 35 15
a Find the modal class Give a reason for your answer
b It is not possible to find the range,
| Explain why the smallest possible value of the range is 22 days.
|| What is the largest possible value of the rangel

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?

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt

What is the length of ac in the given triangle?