# STATISTICS 220-The lengths of time bank customers must wait

01 / 10 / 2021 Projects

This paper circulates around the core theme of STATISTICS 220-The lengths of time bank customers must wait together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 99. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.

## STATISTICS 220-The lengths of time bank customers must wait

Name:1.The lengths of time bank customers must wait for a teller are normally distributed, with a mean of 3minutes and a standard deviation of 2 minute.a. What proportion of bank customers waits between 3 and 4.5 minutesb.What percentage wait more than 4 minutes?c. What proportion waits between 2 and 3.5 minutes?d. What percentage wait less than 1 minute?2. To estimate the medical charges for an appendectomy Blue Star Insurance has data from a randomsample of 75 patients. The sample mean cost is \$410, with a sample standard deviation of \$90.Construct a 95% confidence interval for the population mean cost.We are 95% confident that the populations mean costs of patientsâ medical charges for an appendectomythrough Blue Star Insurance range is between _____________ and ________________3.DemocratRepublicanIndependent101565Los Angeles 352575NorthCarolina2070DC60A group of voters from 3 states were selected and the results are above.What is the probability of selecting a random voter from Los Angeles, given that the voter was arepublican?a).357b).417c).267d).2004..DemocratRepublicanIndependent101565Los Angeles 352575NorthCarolina2070Maryland60A group of voters from 3 states were selected and the results are above.What is the probability of selecting a random voter that is from North Carolina or a Democrat?a).093b).520c).613d).3575.In 20 pulls from a deck of playing cards, 20 cards were red. What is the probability that on the 21 stpull the card will be red?a).5000b).2500c).000000477d).03125

International House, 12 Constance Street, London, United Kingdom,
E16 2DQ

Company # 11483120

## Benefits You Get

• Free Turnitin Report
• Unlimited Revisions
• Installment Plan
• Plagiarism Free Guarantee
• 100% Confidentiality
• 100% Satisfaction Guarantee
• 100% Money-Back Guarantee
• On-Time Delivery Guarantee

+44 7340 9595 39
+44 20 3239 6980
[email protected]
AKOSZTEC “International House, 12 Constance Street, London, United Kingdom, E16 2DQ”

Hire Researcher
Rated 4.7/5 based on 8956 Reviews

## Supporting Pages

FLAT 25% OFF ON EVERY ORDER. Use "FLAT25" as your promo code during checkout