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MaRussiya [10]
3 years ago
6

A cable provider wants to contact customers in a particular telephone exchange to see how satisfied they are with the new digita

l TV service the company has provided. All numbers are in the 443 ​exchange, so there are 10 comma 000 possible numbers from 443​-0000 to 443​-9999. If they select the numbers with equal​ probability: ​a) What distribution would they use to model the​ selection? ​b) What is the probability the number selected will be an even ​number? ​c) What is the probability the number selected will end in 666​?
Mathematics
1 answer:
dusya [7]3 years ago
7 0

Answer:

  a) uniform

  b) 1/2

  c) 1/1000

Step-by-step explanation:

a) "numbers with equal​ probability" have a uniform distribution.

__

b) Even numbers make up 1/2 of all numbers.

__

c) There are ten such numbers in the range, so the probability is ...

  10/10000 = 1/1000

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