![subject](/tpl/images/cats/mat.png)
Mathematics, 04.04.2020 04:38 brainewashed11123
Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a week. A sample of 100 steady smokers revealed that the sample mean is $20 and the sample standard deviation is $5. What is the probability that a sample of 100 steady smokers spend between $19 and $21?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet
Answers: 3
You know the right answer?
Suppose a research firm conducted a survey to determine the average amount of money steady smokers s...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.02.2022 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00
![question](/tpl/images/cats/en.png)
English, 02.02.2022 14:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.02.2022 14:00