53- The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the mean A. 0.1859 B. 6 C. 3.6 D. 1 54-The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the variance A. 0.1859 B. 6 C. 3.6 D. 1

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.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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53- The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are
known to have contracted this disease, what is the mean
A. 0.1859
B. 6
C. 3.6
D. 1
54-The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are
known to have contracted this disease, what is the variance
A. 0.1859
B. 6
C. 3.6
D. 1
55-During a laboratory experiment, the average number of radioactive particles passing through
a counter in 1 millisecond is 4. What is the probability that 6 particles enter the counter in a
given millisecond?
A. 0.0487
B. 0.1042
C. 4
D. 2
Transcribed Image Text:53- The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the mean A. 0.1859 B. 6 C. 3.6 D. 1 54-The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the variance A. 0.1859 B. 6 C. 3.6 D. 1 55-During a laboratory experiment, the average number of radioactive particles passing through a counter in 1 millisecond is 4. What is the probability that 6 particles enter the counter in a given millisecond? A. 0.0487 B. 0.1042 C. 4 D. 2
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