Answer:
A one-sided, two-sample t-test
Step-by-step explanation:
In the context, the values of the population standard deviations are not provided, therefore we have to use the two sample t tests for the difference between the two population means. This claim for the hypothesis or the alternative hypothesis is given as the average selling price is more for the first group of the sample size of 21 as compared to the other group of the sample size of 87. Therefore, we perform an one sided test or the upper tailed test.
Answer:
x=5
Step-by-step explanation:
2x+2-7=5
2x-5=5
2x=10
x=5
Answer:
x = -
Step-by-step explanation:
-
x - 1 = 
add 1 to both sides:
-x = 
multiply both sides by 4:
-3x = 
divide both sides by -3:
x = -
Answer:
50
Step-by-step explanation:
Triangle=180 degrees
96+34=130
180-130= 50
50 degrees is the third angle
Answer:
14
Step-by-step explanation:
7-3 = 4 4+10=14 therfore 14 would be the answer hope this helps
