1. Suppose that 40% of the incoming calls involve fax messages, and consider a sample of 25 A particular telephone number is used to receive both voice calls and fax messages. incoming calls. Please, answer the following: (a) (b) message? here we use BRL Bionomial RV n=25 Px (M)=(₁^) p^ (1-P)^-h Px ( 4.) = (25) (0.4)¹0 ( 1 -0.4 15 14 - 2²543-10 1 What is the expected (average) mimber of calls among the 25 that involve a fax message? 251. 10) (is)! What is the variance of the number of calls among the 25 that involve a fax
1. Suppose that 40% of the incoming calls involve fax messages, and consider a sample of 25 A particular telephone number is used to receive both voice calls and fax messages. incoming calls. Please, answer the following: (a) (b) message? here we use BRL Bionomial RV n=25 Px (M)=(₁^) p^ (1-P)^-h Px ( 4.) = (25) (0.4)¹0 ( 1 -0.4 15 14 - 2²543-10 1 What is the expected (average) mimber of calls among the 25 that involve a fax message? 251. 10) (is)! What is the variance of the number of calls among the 25 that involve a fax
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
Related questions
Question
![1.
Suppose that 40% of the incoming calls involve fax messages, and consider a sample of 25
A particular telephone number is used to receive both voice calls and fax messages.
incoming calls. Please, answer the following:
(a)
(b)
What is the expected (average) number of calls among the 25 that involve a fax
message?
here
we use
EL Bionomial RV
n=25
Px (M)=(₁^) P^ (1-P)^-m
Pa (4) + (²5) (0₁.41¹" (1-0.4 15 14-254
Px
2
1
(251,
10! (15)!
to "10
"Lo
What is the variance of the number of calls among the 25 that involve a fax
message?
Ver = {[*²] - (€ [~])²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd46c33da-6ba5-4721-9496-517e3819d372%2F7caee2f0-0d27-45a4-a385-7f0547315916%2Fe5vylzn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.
Suppose that 40% of the incoming calls involve fax messages, and consider a sample of 25
A particular telephone number is used to receive both voice calls and fax messages.
incoming calls. Please, answer the following:
(a)
(b)
What is the expected (average) number of calls among the 25 that involve a fax
message?
here
we use
EL Bionomial RV
n=25
Px (M)=(₁^) P^ (1-P)^-m
Pa (4) + (²5) (0₁.41¹" (1-0.4 15 14-254
Px
2
1
(251,
10! (15)!
to "10
"Lo
What is the variance of the number of calls among the 25 that involve a fax
message?
Ver = {[*²] - (€ [~])²
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