1. Show that it is a probability mass function. 1 16*if x= 1,2,3, or 4 fx) = 0, otherwise 2. Find the expected value of the probability mass function below. P(x) 3 0.16 0.15 0.32 0.37 3. Find the...

Please show your solution. Thank you1. Show that it is a probability mass function.<br>1<br>16*if x= 1,2,3, or 4<br>fx) =<br>0, otherwise<br>2. Find the expected value of the probability mass function below.<br>P(x)<br>3<br>0.16<br>0.15<br>0.32<br>0.37<br>3. Find the expected value of the probability distribution below.<br>2<br>3.<br>4<br>P(x)<br>0.123<br>0.134<br>0.211<br>0.321<br>0.140<br>1.071<br>4. Find the variance and standard deviation of cach of the following probability distribution.<br>1<br>3<br>P(x)<br>0.10<br>0.45<br>0.25<br>0.20<br>

Extracted text: 1. Show that it is a probability mass function. 1 16*if x= 1,2,3, or 4 fx) = 0, otherwise 2. Find the expected value of the probability mass function below. P(x) 3 0.16 0.15 0.32 0.37 3. Find the expected value of the probability distribution below. 2 3. 4 P(x) 0.123 0.134 0.211 0.321 0.140 1.071 4. Find the variance and standard deviation of cach of the following probability distribution. 1 3 P(x) 0.10 0.45 0.25 0.20

Jun 06, 2022
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