Answer:
The estimate is
Step-by-step explanation:
From the question we are told that
The sample size is n = 522
The sample proportion of students would like to talk about school is
Given that the confidence level is 90 % then the level of significance can be mathematically evaluated as
Next we obtain the critical value of from the normal distribution table, the value is
Generally the margin of error can be mathematically represented as
=>
=>
Generally the estimate the proportion of all teenagers who want more family discussions about school at 90% confidence level is
substituting values
Answer:
22
Step-by-step explanation:
If there are n children, the number of candies in the first distribution is ...
3n +1
If the same number of candies is distributed to the same n children, then the second distribution tells us ...
2n +8 = 3n +1
7 = n . . . . . . . . . subtract 2n+1. This is the number of children.
The number of candies is ...
3(7) +1 = 22
There were 22 candies in total.
Answer:
probably 2.5/d
Step-by-step explanation:
my mathematical teacher
Answer:
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Step-by-step explanation:
fweef efwgfwe r2323 fewerf wefwef23 ew2fefeff ej ufue f2343 4 343 433 3
Answer:
The parent function of absolute value is
y = |x| .
Step-by-step explanation: