Withdrawing $10 every week from an outstanding balance of $400
2 answers:
Answer:
.
Step-by-step explanation:
Let w represent the number of weeks.
We are supposed to write an expression for the given word phrase.
Since the with-drawl amount is $10 per week, so amount withdrawn in w weeks would be .
The amount left after w weeks would be $400 minus .
Therefore, our required expression would be .
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Answer:
The 95% of confidence intervals
(2.84 ,2.99)
Step-by-step explanation:
A random sample of 20 accounting students results in a mean of 2.92 and a standard deviation of 0.16
given small sample size n =20
sample mean x⁻ =2.92
sample standard deviation 'S' =0.16
level of significance ∝ = 0.95
The 95% of confidence intervals
the degrees of freedom γ=n-1 =20-1=19
t-table 2.093
(2.92-0.0748,2.92+0.0748)
(2.84 ,2.99)
Therefore the 95% of confidence intervals
(2.84 ,2.99)
Answer:
.966
Step-by-step explanation:
To work out the multiplier, first add or subtract the percentage from 100, then convert to a decimal.