Answer:
n = 3
Explanation:
−5n+8=−7
Step 1: Subtract 8 from both sides.
−5n+8−8=−7−8
−5n=−15
Step 2: Divide both sides by -5.
-5n/-5 = -15/-5
n = 3
A)
Let c be the number of right guesses.
the probability of c answers =.25 and probability of the wrong answer is 1-.25=.75
c distribution is in the parameter of (20, .25).
b) mean = 20 * .25== 5
c) p of c guess =.25 ^20 =9.095* 10 ^-13
d) p of 10 c guess =.014 or 1.4% it is not possible for him to have 10 right guess.
Answer:
Last one
A student‘s test score is likely to increase about 20 points for each hour of studying
Step-by-step explanation:
We can see that the indepedent value is hours spent studying and dependent value is test scores.
As the hours of studying get greater, so does the test scores. So it has to be either the second to last or last one.
If you pay attention to the numbers, you’d see that the last one would be the answer.
What we're really trying to figure out is (33+37+41)/3
(33+37+41)=111
111/3=37
She can make 37 scarves
Answer:
25
Step-by-step explanation:
