Questions by Nick Savage

Questions by Nick Savage

a) Suppose that a random sample of size 80 has a sample mean of 1.69 ppb and a sample standard deviation of 0.25 ppb. Find a 95% confidence interval for the PCB concentration.

asked Aug 24, 2021

1 answer

1 vote

141k views

Ellen borrowed $3 from each of her cousins and $8 from her mother, for a total of $20. Which equation shows how to find 'c', the number of cousins who loaned Ellen money? 110 = 20 3C - 8 = 20 3C + 8 =

asked Jul 7, 2021

1 answer

2 votes

42.0k views

14. Which expressions are equivalent to 217 Select all that apply. 223 212 0 27.24 o 2².29

asked May 28, 2021

1 answer

5 votes

186k views

What is the area of the figure shown above

asked May 17, 2021

2 answers

5 votes

160k views

Select the correct answer. Which of these sentences correctly uses coordinate adjectives? A. My brother loves to ride his bike on slippery, mountain roads. B. My brother loves to ride his bike on crooked,

asked Feb 2, 2021

1 answer

2 votes

77.6k views

Which of the following would be an example of a positive externality?

asked Jul 7, 2020

1 answer

1 vote

185k views

Which country has the best land soldier

asked Jun 2, 2020

2 answers

2 votes

23.1k views

If 5 times a number is increased by 4, the result is at least 19. Find the least possible number that satisfies these conditions.

asked Feb 15, 2020

2 answers

5 votes

200k views

1.Comment est une journée typique pour un adolescent français 2.Quels sont les moyens de transports en commun à rennes

asked Sep 13, 2019

1 answer

2 votes

74.0k views

What type of landform borders the Florida peninsula on three sides?

asked Jun 23, 2019

1 answer

5 votes

174k views

What was the purpose of the compromise of 1850

asked Feb 26, 2019

2 answers

2 votes

135k views

illian’s school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. The equation 10.50a + 3.75b = 2071.50, where

asked May 12, 2018

1 answer

5 votes

192k views

You are on the way to the ski slopes to spend the week. the mountains are 678 miles from your home. if you drive 75 miles an hour and take six 15-minute rest breaks, how much time will you need to make

asked Mar 2, 2018

1 answer

4 votes

227k views

What 2 recources did the southwest desert have

asked Oct 8, 2017

1 answer

3 votes

44.0k views

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