Answer:
125 cockroaches
Step-by-step explanation:
64*0.25 is 16+64 is 80*0.25 is 20+80 is 100 *0.25 is 25+100 is 125 so 125 cockroaches
Hope this helps plz hit the crown ;D
Answer:
The 95% confidence interval is 
A 95% level of confidence mean that there is 95% chance that the true population mean will be in this interval
Step-by-step explanation:
From the question we are told that
The sample size is 
The mean is 
The standard deviation is 
Given that the confidence level is 95% then the level of significance is mathematically represented as

=> 
=> 
Next we obtain the critical value of
from the normal distribution table , the value is

Generally the margin of error is mathematically represented as

substituting values


The 95% level of confidence interval is mathematically represented as

substituting values


The 95% level of confidence mean that there is 95% chance that the true population mean will be in this interval
Answer:10m-162 simplifying the expression
Step-by-step explanation:
First you remove the parenthesis, and you collect all the terms to give u and answer.
Answer:
Please solve these questions I am hella desperate rn
Step-by-step explanation: