Answer:
To multiply by a power of 10, just move the decimal to the right similar number of spots as the exponent or as the quantity of zeros. Model: To partition by a force of 10, just move the decimal to one side similar number of spots as the exponent or as the quantity of zeros.
Step-by-step explanation:
Answer:
Yes, we can conclude that average sales has changed.
Step-by-step explanation:
The null hypothesis, H0 : μ = 0.3
The alternative ; H0 : μ ≠ 0.3
The result of the 95% confidence interval of (.3095, .3275); This shows that the confidence interval is now between 30.95% and 32.75% ; since μ does not lie within the confidence interval value and the lower boundary of the confidence interval is > 30; we Can conclude with an evidence of 5% significance that his average sales as changed (increased).
We can reject H0 and conclude that μ > 0.3
The answer is (c) if you need more answers I got you