Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A company that manufacturer's coffee for use in commercial machines monitors the caffeine content in its coffee. The company selects 50 samples of coffee every hour from is production line and determines the caffeine content. From historical data, the caffeine content (in milligrams, mg) is known to have a normal distribution with sigma= 7.1 mg. During a 1- hour time period, the 50 samples yielded a mean caffeine content of (y with line on top)= 110 mg.
a. Calculate a 95% confidence interval for the mean caffeine content mew of the coffee produced during the hour in which the 50 samples were selected.
b. Calculate the test statistic z
c. What are the conclusions of the test if the error level is alpha=0.05? what type of error may have occurred?
d. What are the conclusions of the test if the error level is alpha=0.01? what type of error may have occurred?
Use the binomial distribution formula to calculate the probability that a) out of 5 adults, none is concerned that employers are monitoring phone calls.
Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below.
The manager of Sam's Food Mart guarantees that none of his cartons containing a dozen eggs will contain more than one bad egg, despite the fact that 4% of individual eggs are known to be bad. Define the random variable x to be the number of bad eg..
consider the type of clothes dryer gas or electric purchased by each of ve di erent customers at a certain store.a. if
Tourism is one consideration for CoffeeTime's future. A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small cafe during their visit. Laura claims that 10% of tourists will include a visit to a cafe.
Determine a 95 percent confidence interval for the population mean.
multiple regression analysis is applied when analyzing the relationship betweenselect onea. an independent variable and
if n28 barxx-bar47 and s2 construct a confidence interval at a 98 confidence level. assume the data came from a
What role does a financial department play in valuing business opportunities and what are some of the key financial concepts that valuation work must consider?
q1. statistics plays a vital role in almost every facet of human life. describe the functions of statistics. explain
weinstein mcdermott and roediger report that students who were givne questions to be answered while studying new
Find the confidence interval for the population proportion.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd