A nationwide furniture company wants to survey their customers to determine whether or not they are providing quality customer service across the United States. They have 280 stores with an average of about 6,000 customers each per month. Which survey group would produce a valid sample? Group of answer choices

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Find cot x if sin x cot x csc x = √2