Question 2Flag questionN (69,46Question 3 Flag questio140 PM© n3a00 Question 1t= +1708t...

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Question 2Flag questionN (69,46Question 3 Flag questio140 PM© n3a00   Question 1t= +1708t 064Question 2Give © ~ N(69,46   Flag question Flag questioned o 5 “®t  Question 4Hoi jt = 2600Hy £11 #2600 Flag questiceject the null hypothesisco © 3 o Ge ®¢O um O   Question 5 Flag questionQuestion 6 Flag questionBH oo LOEZCEBBOX o Gwe own pe    Question 7 Flag questionP(4 Give your answer to 3 decimal places hat probability in thFinish attemptva eM1213/2022

Monica · Accepted Answer

1) 
When the population standard deviation is unknown we use t distribution to calculate the test statistics. Therefore, here the t – critical value will be used to find the confidence interval. 
Use the excel function, 
This will give the required answer that is, option D) 
2)
Given – 
 and the sample size is equal to 30 
It is asked to find the critical value for the 90% of sample means will lie below  
Use the excel function   which will give the value as - 1.282 
3) 
Given – 
To solve this problem, we can use the Poisson distribution, which is often used to model the number of times an event occurs within a given time period. In this case, the event is a patient arriving at the clinic, and the time period is 20 minutes.
The Poisson distribution is defined by the following formula:
 
Where, X is the random variable representing the number of times the event occurs, λ is the average rate at which the event occurs, and k is the number of times the event occurs.

Question 2 Flag question N (69,46 Question 3 Flag questior 140 PM © n3a00 Question 1 t= +1708 t 064 Question 2 Give © ~ N(69,46 Flag question Flag question ed o 5 “®t ...

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