Answer:
a. 4.33.
Step-by-step explanation:
If there is only one correct answer out of four alternatives, the expected proportion of correct answers is p =0.25
Sample size (n) = 100 questions
The standard deviation of a proportion 'p' is given by:
Applying the given data:
If X is the number of correct responses in 100 guesses, the standard deviation of X is:
The standard deviation of X is 4.33 questions.
Answer:
Hey, where is the circle? I think you forgot to upload pic of circle.
Answer:
The bush after the two weeks was 14.4 inches tall
Step-by-step explanation:
Let
x ----> bush height after two weeks
we know that
The bush height after two weeks is equal to multiply the height when it was first planted by 1.20
so
Answer:
the answer is VY
Step-by-step explanation:
Between each pair of letters there is 1 missing letter, between each letter in a pair there are 2 missing letters.
I've denoted the missing letters with parentheses:
(A) B(CD)E
(F) G(HI)J
(K) L(MN)O
(P) Q(RS)T
(U) V(WX)Y
The revenue will be 12,000 when the price of the product is $100
Given :
The monthly revenue of a certain company
We need to find out p when <u>Revenue R is 12000</u>
Lets replace R with 12000 and solve for p
Apply <em>quadratic formula </em>
Given that price must be greater than 50
So the revenue will be 12000 when the price of the product is $100
Learn more : brainly.com/question/21503855