Question

1) A landlord sells four types of threads: white, rainbow and green roses. It is known that of the people who come to buy, every day, 24% buy pink threads, 45% green rocks, 15% white threads and 16% like rainbow threads. This Sunday, the landlord prepared 200 threads taking into account the trend of the preferences of their customers. Organize the information in a table. Then, solve:

A) How many green threads were put on sale?
B) If Sunday was a holiday and 300 customers arrived. How many pink threads did he have to prepare?

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2)The following table of absolute frequencies shows the number of cavities that each of Dr. Gallo's 30 patients had during their last appointment.

# of Cavities	fi (absolute frequency)	Fi (Cumulative frequency)	hi (relative)
0	13
1		20
2
3		28	0,17
4

Complete the table, then answer:
A) How many patients had two cavities?
B) What percentage of patients has more than one cavities? Explain a procedure.

Answer 1