Will mark as BRAINLIEST!!!
1 answer:
You might be interested in
Answer: ($3.055, $3.205)
Step-by-step explanation:
Given : Significance level :
Critical value :
Sample size : n= 36
Sample mean :
Standard deviation :
The confidence interval for population mean is given by :_
Hence, the 95% confidence interval to estimate the population mean = ($3.055, $3.205)
Answer:
1149.8 m³
Step-by-step explanation:
The volume (V) of a sphere is calculated as
V = πr³ ( r is the radius )
Here diameter = 13, thus radius = 13 ÷ 2 = 6.5
V = × 3.14 × 6.5³
= × 3.14 × 274.625
= ≈ 1149.8 m³ ( to the nearest tenth )