Answer: 1.467
Step-by-step explanation:
Formula of Margin of Error for (n<30):-
Given : Sample size : n= 22
Level of confidence = 0.90
Significance level :
By using the t-distribution table ,
Critical value :
Standard deviation:
Then, we have
Hence, the margin of error for the confidence interval for the population mean with a 90% confidence level =1.467
Answer:
1) 3
2) 19
3 + 19 = 22
Step-by-step explanation:
1) x
2) 7x - 2
x + 7x - 2 = 22
8x = 22 + 2
x = 24/8
x = 3
Answer:
y - 7 = -4 (x + 2)
Step-by-step explanation:
y - 7 = -4 (x + 2)
The answer is (2x-1) x (22+9x) simplified. (The x in the middle is for multiplication)
Answer:
plz insert the graph, ill revise my answer
Step-by-step explanation: