Answer: 0.1359
Step-by-step explanation:
mean = $400
Standard deviation = $50
Since the wages is normally distributed , the first thing is to find the z - score.
z = 
finding the z - value for 300 and 350 , we have
z = 
z = 
2 = -2
also
z = 
z = 
z = -1
The next thing is to check the calculated value on z - table.
From z - table :
P (z
-2 ) = 0.0228
P ( z 
) = 0.1587
combining the two
P ( -2z-1 ) = 0.1587 - 0.0228
P ( -2z-1 ) = 0.1359
Therefore , the the probability that a worker
selected at random makes between
$300 and $350 = 0.1359
length: m
less means "subtract", than means "reverse the order", triple means "times 3"
width: 3m - 5
Answer: 3m - 5
Answer:
In a large population of college students 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the probability that exactly 2 students have experienced math anxiety is:
Step-by-step explanation:
a .3020
b .2634
c .2013
d .5 e 1 the answers is A
Answer:
x=6
Step-by-step explanation:
Answer:
What do you mean by time and cost
Step-by-step explanation:
