Answer:
its n+20-55-35
Step-by-step explanation:
Answer:
4.5
Step-by-step explanation:
that is
their rates =1/6, 1/3 respectively
total =1/2
if 1/2=9
1= 9/2
= 4.5
5*4/4 +1/4
20/4+1/4
21/4
You can multiply the whole number by 1, for the same number...but in the terms you need...for example, 5/5=1, but by multiplying by that, you'll get the number /5
Answer:
The answer and solution is in the picture
Answer:
Fail to reject the null hypothesis.
Step-by-step explanation:
The hypothesis test is conducted for Boston public school. They have used z-value table and the value of test statistics is 1.20. AT the significance level of 0.05, the null hypothesis is accepted. We cannot reject the null hypothesis. The p-value is greater than alpha so there is no evidence to support the claim of Boston Public School.