Questions by Silviu Burcea

Questions by Silviu Burcea

Scores on a certain test are normally distributed with a variance of 14. A researcher wishes to estimate the mean score achieved by all adults on the test. Find the sample size needed to assure with 98%

asked Oct 20, 2021

1 answer

2 votes

154k views

If you picked 8% of the apples on a tree, and you picked 56 apples, how many apples did the tree contain before you starting picking?

asked Sep 19, 2021

2 answers

0 votes

18.9k views

Convert the decimal integer, 353.87510 to each of these forms: a. binary b. octal c. hexadecimal d. binary coded decimal.

asked Jul 7, 2021

1 answer

1 vote

185k views

What were at least two contributions of the Native American and Blacks in the Revolution?

asked Mar 20, 2021

1 answer

1 vote

207k views

Amplitude is a Measure of a Waves A frequency B speed C Energy True or false How many wavelength as a given period of time is the definition of frequency A true B false

asked Nov 19, 2020

1 answer

0 votes

109k views

Assume that you are a member of a special interest group that wants to raise taxes on certain items. Who would you present your idea to if you wanted it to be proposed as a bill? A. a Supreme Court justice

asked Oct 24, 2020

2 answers

1 vote

191k views

Find the circumference of the circle

asked Aug 19, 2020

1 answer

3 votes

68.6k views

In 2007, actor Dennis Quad’s newborn twins received a potentially life-threatening medication error. After reading the following article, brainstorm steps that the hospital could take to potentially avoid

asked Nov 21, 2019

1 answer

2 votes

72.7k views

Amy rolls a number cube ten times and gets 3 four times! If she rolls the number cube 240 times, how many times should she get a 3 (Hint: Should her results be used, or the theoretical probability?). 20

asked Oct 12, 2019

2 answers

1 vote

109k views

Which masterpieces were created by Michelangelo Buonarroti

asked Apr 6, 2019

2 answers

4 votes

103k views

This article of the Constitution gives the legislature its powers _____. A)Article I B)Article IV C)Article VII D)Article X

asked Nov 6, 2018

2 answers

5 votes

129k views

How does genetic variation among organisms affect survival and reproduction?

asked Oct 11, 2018

2 answers

5 votes

189k views

Explain why the law of demand can apply only in a free market economy.

asked Apr 24, 2018

1 answer

4 votes

214k views

Mexico City's most pressing environmental issue is A) mountain erosion. B) dangerous air pollution. C) erosion along the coastline. D) cutting down of the rainforest.

asked Dec 17, 2017

2 answers

3 votes

42.5k views

What percent is 23 of 92?

asked Nov 14, 2017

2 answers

0 votes

234k views

What is the mean absolute deviation of the following data set? 28, 32, 47, 16, 40, 35, 38, 54

asked Oct 4, 2016

1 answer

1 vote

47.8k views

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