An examination consisting of ten true-or-false questions was taken by a class of 100 students. The probability distribution of the random variable X, where X denotes the number of questions answered correctly by a randomly chosen student, is represented by the accompanying histogram. The rectangle with base centered on the number 8 is missing. What should be the height of this rectangle?
height = __________
Correct Answer:
Verified
Q31: Give the range of values that the
Q32: Suppose a probability distribution of a random
Q33: A survey was conducted by the Public
Q34: A die is cast repeatedly until a
Q35: The rates paid by 30 financial institutions
Q37: Give the range of values that the
Q38: Cards are selected one at a time
Q39: The following table gives the 2002 age
Q40: An examination consisting of ten true-or-false questions
Q41: Based on past experience, the manager of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents