Answer:
Step-by-step explanation:
the unit is 4 min and the answer is he can type 55 words in 1 min
Answer: To find a residual you must take the predicted value and subtract it from the measured value.
Step-by-step explanation:
Answer:
X = -7
Step-by-step explanation:
Answer:
1. 2/25
2. 4/15
Step-by-step explanation:
1. P(Y∩X)
Since P(X) =2/3 , P(Y) =2/5 , and P(X|Y) =1/5, this is a conditional probability.
So P(Y∩X) = P(Y)P(X|Y) = 2/5 × 1/5 = 2/25
2. P(Y)· P(X)
P(Y)· P(X) = 2/3 × 2/5 = 4/15