According to a study, 74% of students prefer online exams to in-class exams.  Suppose that 21 students are randomly selected.  How likely is it that fewer than 12 of these students prefer online exams?  Round to four decimal places.   a. .9731   b. .0700   c. .9300   d. .0269

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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According to a study, 74% of students prefer online exams to in-class exams.  Suppose that 21 students are randomly selected.  How likely is it that fewer than 12 of these students prefer online exams?  Round to four decimal places.

  a.

.9731

  b.

.0700

  c.

.9300

  d.

.0269

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