Question 3: CUI Attock has three telephone lines. A caller gets a busy tone if all the lines are in use. The probability of getting through (to get connected) 0, 1, 2, 3 people is shown in the...


Please solve the Statistics Question in 30 minutes withan explanation.


Question 3: CUI Attock has three telephone lines. A caller gets a busy tone if all the lines are in use.<br>The probability of getting through (to get connected) 0, 1, 2, 3 people is shown in the distribution<br>below. Find the variance and standard deviation for this distribution.<br>2<br>P(X)<br>0.20<br>0.34<br>0.22<br>0.24<br>

Extracted text: Question 3: CUI Attock has three telephone lines. A caller gets a busy tone if all the lines are in use. The probability of getting through (to get connected) 0, 1, 2, 3 people is shown in the distribution below. Find the variance and standard deviation for this distribution. 2 P(X) 0.20 0.34 0.22 0.24

Jun 10, 2022
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