Admission for a water park is $17.50 per day. A season pass costs $125. A locker rental costs $3.50 per day. What is an equation
2 answers:
Answer:
Step-by-step explanation:
The cost of $17.50 is need per day and a locker rental costs $3.50 per day as $125 is needed for a season pass.
Let x equal the number of days and y equal the total amount needed for a season pass. We can write an equation relating the daily cost to and the season pas s and we assume you must rent a locker everytime you pay for a daily pass while it is included in the price for a season pass.
The number of daily pass relation to the season pass can determine if you should pay a day pass or a season pass based on the number of days.
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Answer: 267.
Step-by-step explanation:
When there is no prior information for the population proportion, then the formula we use to find the sample size to estimate the confidence interval :
, where z* = Critical z-value and E + amrgin of error.
Let p = proportion of packages of ground beef sold at a particular store that have an actual fat content exceeding the fat content stated on the label.
Since , we have no prior information about p. so we use above formula
with E = 0.06 and critical value for 95% confidence =z* =1.96 [By z-table ] , we get
Hence, the required sample size is 267.