Mathematics, 04.12.2019 00:31 fluffy37

Scores on a recent national statistics exam were normallydistributed with a mean of 80 and a standard deviation of 6.a) what is the probability that a randomly selected examwill have a score of at least 71? b) what percentage of exams will have scores between 89and 92? c) if the top 2.5% of test scores receive merit awards, what is the lowest score eligible for an award? d) if there were 334 exams with scores of at least 89,how many students took the exam?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:00

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

Which inequality has a dashed boundary line when graphed ?

Answers: 2

Answer

Mathematics, 21.06.2019 19:50

Is it greater than or less than7*3_9*2

Answers: 2

Answer

Mathematics, 21.06.2019 20:30

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Answers: 1

Answer

You know the right answer?

Scores on a recent national statistics exam were normallydistributed with a mean of 80 and a standar...

Questions

Biology, 10.03.2020 05:24

A 5-year-old client has been diagnosed with leukemia and is currently on chemotherapy and radiation. The child is having difficulty due to mucositis....

English, 10.03.2020 05:24

Read the passage - Then select the valid inference The term "neon light was originally applied to as particular types of Vapor lamp using...

Social Studies, 10.03.2020 05:24

The headmaster of Hebron International School wanted to cover the football field with natural grass, but the physical education teachers suggested syn...

Mathematics, 10.03.2020 05:24

8.6.41 Suppose you drive an average of 12,000 miles per year, and your car gets 25 miles per gallon. Suppose gasoline costs $3.40 a gallon...

Biology, 10.03.2020 05:24

Walking along a mile-long path in the woods, you notice a stand of your favorite wildflower, the cardinal flower, three different times. You find each...

Mathematics, 10.03.2020 05:24

1/3 of the students at Davis School walk to school. if there are 1475 students at the school, how many are walking to school....

Biology, 10.03.2020 05:25

A prime mover (agonist) . A prime mover (agonist) . immobilizes the origin of the prime mover aids the action of the muscle primarily responsible for...

Mathematics, 10.03.2020 05:25

a tube of toothpaste for 6 ounces costs 2.99 and a tube of toothpaste for 4 ounces costs 2.59 give the unit cost per tablet and round to the nearest c...

Mathematics, 10.03.2020 05:25

Rachelle graphs a point . She h a nnoher point four or more th an twounits down to arrive at a point in the thirdis Rachelle correct...

Business, 10.03.2020 05:25

A process has low fixed costs and high variable costs. It is currently capacity-constrained. Will the impact of an efficiency improvement be small or...

Mathematics, 10.03.2020 05:25

Rosalina just started a new job. She has $500 in her bank account. Every week, she deposits $40 into her bank account. Write an expression to represen...

Mathematics, 10.03.2020 05:25

An interstitial alloy contains a nonmetal (X) that occupies all of the octahedral holes in the closet-packed lattice of the metal (M). What is the for...

Engineering, 10.03.2020 05:25

For a given surface with known wetting behavior, the ratio of the height to the diameter of an inkjetted drop is known to be about 1:10 (the diameter...

History, 10.03.2020 05:26

What kind of world did Columbus and other Europeans encounter when they set foot in the Americas? Did this world mesh with the popular vision of “Nati...

Biology, 10.03.2020 05:26

The way an organism looks is controlled mainly by...

History, 10.03.2020 05:26

The French Revolution was against the leadership ofGeorge WashingtonKing George IIINapoleon BonaparteKing Lo...

Mathematics, 10.03.2020 05:26

Which figure is not a parallelogram?...

History, 10.03.2020 05:26

The lengths of two sides of a triangle are shown. Side 1: 3x2 - 4x-1 Side 2: 4x - x2 + 5 The perimeter of the triangle is 5x – 2x +...

Mathematics, 10.03.2020 05:26

Find the perimeter of ABHG...

Biology, 10.03.2020 05:27

Other nutrients will require a transporter in the membrane as well as a concentration gradient. This process of is the process by which some monosacc...

More questions: Mathematics Another questions