Answer:
1
Step-by-step explanation:
Answer:
The 99% confidence interval of the population standard deviation is 1.7047 < σ < 7.485
Step-by-step explanation:
Confidence interval of standard deviation is given as follows;
s =
Where:
= Sample mean
s = Sample standard deviation
n = Sample size = 7
χ = Chi squared value at the given confidence level
= ∑x/n = (62 + 58 + 58 + 56 + 60 +53 + 58)/7 = 57.857
The sample standard deviation s = = 2.854
The test statistic, derived through computation, = ±3.707
Which gives;
1.7047 < σ < 7.485
The 99% confidence interval of the population standard deviation = 1.7047 < σ < 7.485.
Answer:
2 + 1 + 5 + 8 + 14 = 30 total marbles
30-14 yellow marbles = 16
16/30 = probability of not yellow
Answer:
1/36
Step-by-step explanation:
6*36+216 inches
216/12(converting into feet)=18
therefore, it is 1/36 scale