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:
You need to add everything so i can solve
Step-by-step explanation:
Answer:
The change that happened from the first half of the equation to the second half was you moved the 9 and the 4c around.
Commutative property of addition allows you to do that. It's what says that 2+3 is the same thing as 3+2
Read more on Brainly.com - brainly.com/question/2897483#readmore
Step-by-step explanation:
It is 10
:) :) :) :) :) :)
It would be: 21/300 = 7/10 = 0.07
So, in decimal form it would be 0.07
Hope it helped.