On-the-Go Phone Company has two monthly plans for their customers.The EZ Pay Plan costs $0.15 per minute. The 40 to Go Plan cost
2 answers:
For one moth it would be....
$57.00 In total but im not sure if this is correct so if you could make sure please.
$57.00 In total but im not sure if this is correct so if you could make sure please.
Answer: Expression that represents the monthly bill for x minutes on EZ pay plan is
Step-by-step explanation:
Since we have given that
Cost per minute through EZ Pay plan = $0.15
Cost of Go plan per month = $30
Cost per minute in Go plan = $0.05
so, Expression for EZ pay plan is given by
Expression for Go plan is given by
Hence, expression that represents the monthly bill for x minutes on EZ pay plan is
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Answer:
Now we have everything in order to replace into formula (1):
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=2.75 represent the sample standard deviation
n=10 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence is 0.90 or 90%, the significance is and
, and the critical vaue would be
Now we have everything in order to replace into formula (1):
Answer:
The value of test statistic is 1.338
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 16.000
Sample mean, = 16.218
Sample size, n = 22
Alpha, α = 0.05
Sample standard deviation, s = 0.764
First, we design the null and the alternate hypothesis
We use one-tailed t test to perform this hypothesis.
Formula:
Putting all the values, we have
Thus, the value of test statistic is 1.338