![subject](/tpl/images/cats/mat.png)
Mathematics, 19.10.2020 18:01 Kinkela
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 2 in a thousand. Identify the type I error for the test.
A. Fail to reject the claim that the proportion of Americans that have seen a UFO is equal to 2 in a thousand when that proportion is actually less than 2 in a thousand.
B. Reject the claim that the proportion of Americans that have seen a UFO is equal to 2 in a thousand when that proportion is actually 2 in a thousand.
C. Reject the claim that the proportion of Americans that have seen a UFO is equal to 2 in a thousand when that proportion is actually less than 2 in a thousand.
D. Fail to reject the claim that the proportion of Americans that have seen a UFO is equal to 2 in a thousand when that proportion is actually greater than 2 in a thousand.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Ataxi company charges $3 for pick-up plus $0.65 for each mile. select the expressions that represent the cost in dollars for a taxi pick-up and m miles. mark all that apply.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30
Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 07:00
Last year, laura had $30,000 to invest. she invested some of it in an account that paid 7% simple interest per year, and she invested the rest in an account that paid 8% simple interest per year. after one year, she received a total of $2230 in interest. how much did she invest in each account?
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is le...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 15.04.2021 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/en.png)
English, 15.04.2021 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 15.04.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 15.04.2021 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 15.04.2021 14:00
![question](/tpl/images/cats/mkx.png)
Arts, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/en.png)
English, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00
![question](/tpl/images/cats/health.png)
Health, 15.04.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 14:00