subject
Mathematics, 20.03.2020 05:05 gtrsoccer

A group of students at a school takes a history test. The distribution is normal with a mean of 25, and a standard deviation of 4. (a)Everyone who scores in the top 30% of the distribution gets a certificate. What is the lowest score someone can get and still earn a certificate?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?
Answers: 3
question
Mathematics, 21.06.2019 15:30
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 3
question
Mathematics, 21.06.2019 22:00
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
question
Mathematics, 22.06.2019 02:20
If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.
Answers: 2
You know the right answer?
A group of students at a school takes a history test. The distribution is normal with a mean of 25,...
Questions
question
Mathematics, 11.10.2019 03:30
question
Chemistry, 11.10.2019 03:30
question
Mathematics, 11.10.2019 03:30
Questions on the website: 13722363