Answer:
Step-by-step explanation:
The probability mass function P(X = x) is the probability that X happens x times.
When n trials happen, for each 
, the probability mass function is given by:
In which p is the probability that the event happens.
is the permutation of n elements with x repetitions(when there are multiple events happening(like one passes and two not passing)). It can be calculated by the following formula:
The sum of all P(X=x) must be 1.
In this problem
We have 3 trials, so 
The probability that a wafer pass a test is 0.7, so 
Determine the probability mass function of the number of wafers from a lot that pass the test.
Answer:
15/17
Step-by-step explanation:
SOH-CAH-TOA
Sine is the ratio of the length of the side opposite to the angle to the hypotenuse of the right triangle.
Answer:
7,460 (or 7460 as some non-native English speakers would write it) since you always round a number down when it ends in 1 through 4, and always round it up when it ends in 5 through 9.
Step-by-step explanation:
pls give me brainliest plssssssssssssssssssssss.
Answer:
What is exactly the question?
T = 45m + 400
I hope this is correct it seems like the most logical explanation.
Happy Valentine’s day! I hope I helped and have a nice day! C: <3
