Mathematics, 19.11.2019 23:31 smhrosepetals
The amount of time that a drive-through bank teller spend on acustomer is a random variable with μ= 3.2 minutes andσ=1.6 minutes. if a random sample of 64 customers is observed, find the probability that their mean ime at the teller's counteris(a) at most 2.7 minutes.(b) more than 3.5 minutes.(c) at least 3.2 minutes but less than 3.4 minutes.
Answers: 3
Mathematics, 21.06.2019 13:30
Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744
Answers: 1
Mathematics, 21.06.2019 15:30
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 3
Mathematics, 21.06.2019 15:30
Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright
Answers: 3
Mathematics, 21.06.2019 15:30
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
The amount of time that a drive-through bank teller spend on acustomer is a random variable with μ=...
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