subject
Mathematics, 29.05.2021 09:10 zuleiny38

A random sample of 20 boys was taken to estimate the 98% confidence interval for the mean weight of boys aged between 14 to 15 years. The 98% confidence interval was found to be 45.5 < <
51.3. Find the sample mean and sample variance.

ansver
Answers: 3
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65
Answers: 1
Answer
question
Mathematics, 21.06.2019 22:00
Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)
Answers: 1
Answer
question
Mathematics, 22.06.2019 02:00
Mr. roseanne will buy 12 1/2 pounds beef for for a cookout. the price for the first 3 pounds of beef is $4.99 per pound. after that, the price is $4.49 per pound. how much will mr.roshan pay for the beef
Answers: 1
Answer
question
Mathematics, 22.06.2019 03:00
What is the slope-intercept form for each equation in this system? compare the slopes and y-intercepts to describe the graph of the system. 3x - 4y = 28 4x + 10y = 20
Answers: 1
Answer
You know the right answer?
A random sample of 20 boys was taken to estimate the 98% confidence interval for the mean weight of...
Questions
question
Spanish, 14.03.2020 05:54
1. Mañana mis parientes llegan de guayaquil. 2. son cinco personas: mi abuela isabel, tío carlos y tía josefina, y mis primos susana y tomás.3. mi pri...
question
English, 14.03.2020 05:54
1. In Twenty Years at Hull House, how does Jane Addams introduce and develop the idea that child labor was a serious and deadly problem in the early t...
question
Computers and Technology, 14.03.2020 05:54
You’re called in as a consultant to create a CA hierarchy for a company. The company has three locations: one in the United States, one in South Ameri...
question
Business, 14.03.2020 05:54
Working for a very large organization in the tractor manufacturing industry, John always heard complaints from customers about the parts and services...
question
Law, 14.03.2020 05:54
A state's lieutenant governor o serves as second-in-command in the judicial branch O serves as second-in-command in the executive branch.
question
Mathematics, 14.03.2020 05:54
What in the world is eighty plus forty...
question
Social Studies, 14.03.2020 05:54
Consider this situation: A police officer arrives at the scene of an accident and finds a load of straw bales partly on the back of a pickup truck and...
question
Mathematics, 14.03.2020 05:54
Adam started to run at a rate of 6 mph from city A towards city B, which is 18 miles away. Ten minutes later, Benjamin started to run from city B towa...
question
Business, 14.03.2020 05:54
Stockholders of ComfortAir Corporation, an air conditioner and furnace manufacturer, are concerned that the companies executives may take on greater r...
question
Business, 14.03.2020 05:55
You have found an asset with an arithmetic average return of 14.40 percent and a geometric average return of 10.60 percent. Your observation period is...
question
Physics, 14.03.2020 05:55
An object of mass m is attached to a horizontal spring, stretched to a displacement A from equilibrium and released, undergoing harmonic oscillations...
question
Computers and Technology, 14.03.2020 05:55
In Java Create a class named TreasureBox that contains: (Be sure to set the appropriate access modifiers – private/public) a. A public sta...
question
Social Studies, 14.03.2020 05:55
You're on the pilot episode of a new game show called "the transport factor." the host hands you three different amino acids, four different sugars, a...
question
Business, 14.03.2020 05:55
. Cost-effectiveness analysis a. reports the incremental cost of improving an outcome. b. reports the value of improved outcomes divided by the cost o...
question
Social Studies, 14.03.2020 05:55
Olivia, a new supervisor, is creating a template for a supervisory contract she can use with supervisees. In the contract, she should include informat...
question
Social Studies, 14.03.2020 05:55
Psychology Freddy has been sucking his thumb for a few weeks. His parents would prefer him to use a pacifier, so they begin to offer one. But Freddy r...
question
Mathematics, 14.03.2020 05:55
What 2 ways show how to round 134 ? 100 200 30 140 130...
question
English, 14.03.2020 05:55
How do you write -9 1/9 as a decimal?...
question
Mathematics, 14.03.2020 05:55
A rectangular prism has a volume of 19 cm if the length of the prism is tripled and the other dimensions stay the same what is the volume of the new p...
question
Business, 14.03.2020 05:55
Perpetual Inventory Using FIFO The following units of a particular item were available for sale during the calendar year: Ja...
More questions: Mathematics Another questions
See results (0)