Answer:
Step-by-step explanation:
Here cross - multiplying 3 & 2 gives :-
Solving this further gives :-
Hello please help me as this is the last question on my test and then I’m done so it would be great if u can tell me if the answ
er is A, B, C, D, or E
2 answers:
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Answer:
Step-by-step explanation:
-4|-2x+6|=-24 divide both sides by -4
|-2x+6|=6 rewrite twice
-2x+6=6 and -2x+6=-6
-6 -6 -6 -6
-2x=0 -2x= -12 for both equations divide both by two so...
x=0 x=6 then check it
Answer:
88.51 is the minimum score needed to receive a grade of A.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 73
Standard Deviation, σ = 11
We are given that the distribution of exam grades is a bell shaped distribution that is a normal distribution.
Formula:
We have to find the value of x such that the probability is 0.0793.
Calculation the value from standard normal z table, we have,
Hence, 88.51 is the minimum score needed to receive a grade of A.