Answer:
$481.25
Step-by-step explanation:
The number of transactions is 175.
The fee per transaction is $2.75.
The total fees is calculated as:
Number of transactions × Fee per transaction
175 × $2.75
$481.25
Answer:
d. There is a 98% chance that the true proportion of customers who click on ads on their smartphones is between 0.56 and 0.62.
Step-by-step explanation:
Confidence interval:
x% confidence
Of a sample
Between a and b.
Interpretation: We are x% sure(or there is a x% probability/chance) that the population mean is between a and b.
In this question:
I suppose(due to the options) there was a small typing mistake, and we have a 98% confidence interval between 0.56 and 0.62.
Interpreation: We are 98% sure, or there is a 98% chance, that the true population proportion of customers who click on ads on their smartphones is between 0.56 and 0.62. Option d.
The gievn equation is ,
where t is the time in seconds and h is the no.of hamburgers assembled.
put h = 2 in equation (1).
blank A assembles 2 hamburges in 22.6 seconds.
put h = 3 in equation (1)
blank B assembles 3 hamburgers in 33.9 seconds.
put h = 5 in equation (1)
blank C assembles 5 hamburgers in 56.5 seconds.
put h = 8 in equation (1)
blank D assembles 8 hamburgers in 90.4 seconds.
