Answer:
Randomly selected adult has an IQ less than 136 is 0.9641
Step-by-step explanation:
It is given that, it is normal distribution with mean 100 and SD as 20.
So, let's use the formula of z-score
z=
For this problem,
x= 136
Plug in this value into the formula
z-score=
=1.8
Now, use z-score table to find the probability
Find the corresponding value for the row 1.8 and the column 0.00, we do get 0.9641
So, Randomly selected adult has an IQ less than 136 is 0.9641
Answer:
z=(x-mu)/o
Step-by-step explanation:
X - Heights of women aged 20 to 29: X is N(64, 2.7)
Y - Heights of men aged 20 to 29: X is N(69.3, 2.8)
a) X=6'=72"
b) Y = 72"
c) 72' women can be taken as very tall but men moderately taller than average
d) Y<5'5" =65"
e) X>73"
Z>
Almost 0% can be taken
f) IQR =Q3-Q1
Answer:
T = 125 +116.40N
Step-by-step explanation:
The total savings is the sum of the two plan values:
T = A + B
T = (125 +40.75N) +(75.65N) . . . . substitute the given formulas
T = 125 + (40.75+75.65)N . . . . . . .combine like terms
T = 125 +116.40N
Answer:
A' (4,4), B' (5,7), C' (9,7)
Step-by-step explanation:
