![subject](/tpl/images/cats/mat.png)
Mathematics, 19.09.2021 04:50 keegandudley
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 11. Use the empirical rule to determine the following.
(a) What percentage of people has an IQ score between 78 and 1227
(b) What percentage of people has an IQ score less than 67 or greater than 133?
(c) What percentage of people has an IQ score greater than 122?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Can someone check if i did this right since i really want to make sure itâs correct. if you do you so much
Answers: 1
You know the right answer?
Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 28.01.2021 17:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/en.png)
English, 28.01.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/en.png)
English, 28.01.2021 17:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 17:00