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The random variable x represents the number of phone calls an author receives in a day, and it has a Poisson distribution with a mean of 7.4 calls. What are the possible values of x? Is a value of x=3.2 possible? Is x a discrete random variable or a continuous random variable? What are the possible values of x? O A. 0, 1, 2, 3, ... OB. 1, 2, 3, ... OC. any real number greater than or equal to 0 O D. any real number greater than or equal to 0 and less than or equal to 7.4 Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? A value of x = 3.2 possible because x is a random variable.

The random variable x represents the number of phone calls an author receives in a day, and it has a Poisson distribution with a mean of 7.4 calls. What are the possible values of x? Is a value of x=3.2 possible? Is x a discrete random variable or a continuous random variable? What are the possible values of x? O A. 0, 1, 2, 3, ... OB. 1, 2, 3, ... OC. any real number greater than or equal to 0 O D. any real number greater than or equal to 0 and less than or equal to 7.4 Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? A value of x = 3.2 possible because x is a random variable.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 1E
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The random variable x represents the number of phone calls an author receives in a day, and it has a Poisson distribution with a mean of 7.4 calls. What are the possible values of x? Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? What are the possible values of x? O A. 0, 1, 2, 3, ... OB. 1, 2, 3, ... O C. any real number greater than or equal to 0 O D. any real number greater than or equal to 0 and less than or equal to 7.4 Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? A value of x = 3.2 possible because x is a C... ▼random variable.
Transcribed Image Text:The random variable x represents the number of phone calls an author receives in a day, and it has a Poisson distribution with a mean of 7.4 calls. What are the possible values of x? Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? What are the possible values of x? O A. 0, 1, 2, 3, ... OB. 1, 2, 3, ... O C. any real number greater than or equal to 0 O D. any real number greater than or equal to 0 and less than or equal to 7.4 Is a value of x = 3.2 possible? Is x a discrete random variable or a continuous random variable? A value of x = 3.2 possible because x is a C... ▼random variable.
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