Short Answer
Instruction 7-7
Online customer service is a key element to successful online retailing.According to a marketing survey,37.5% of online customers take advantage of the online customer service.Random samples of 200 customers are selected.
-Referring to Instruction 7-7,the standard error of all possible sample proportions is ________.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Instruction 7.3<br>The lifetimes of a certain brand
Q56: The amount of bleach a machine pours
Q58: Items or individuals in a judgement sample
Q60: A study at a university in New
Q62: Instruction 7-6<br>According to an article,19% of the
Q66: Instruction 7-7<br>Online customer service is a key
Q70: The owner of a fish market has
Q96: results from the failure to collect data
Q131: Coverage error can become an ethical issue
Q173: A manufacturer of power tools claims that