The length of a text messaging conversation is normally distributed with a mean of 2 minutes and a standard deviation of .5 minu tes. What is the probability that a conversation lasts longer than 3 minutes? 0.043351
0.063748
0.02275
0.095424
1 answer:
Let x be a random variable representing the length of a text messaging conversation, then P(x > 3) = 1 - P(x < 3) = 1 - P(z < (3 - 2)/0.5) = 1 - P(z < 2) = 1 - 0.97725 = 0.02275
You might be interested in
I dont know if those lines were suppose to be there, but i put 0.63 in simplest form = 63/100
Hello : (3, 13) <span>pair - solution because when x=3 y = 5(3)-2 = 13</span>
0.380952 then the numbers repeat
Answer:
Hope you can find your answer on oceanhero
Step-by-step explanation:
Median is 5 Mean is 4.9 Mode is 1