To check the condition that the sample size is large enough before applying the central limit theorem for sample proportions, researchers can verify that the products of the sample size times the sample proportion and the sample size times (1minus−sample proportion) are both greater than or equal to what number? choose the correct answer below.
a. 100
b. 50
c. 5
d. 10

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?