Mathematics, 01.07.2019 22:50 spezzatti221

Several psychology students are unprepared for a surprise true/false test with 18 questions, and all of their answers are guesses. a. find the mean and standard deviation for the number of correct answers for such students. b. would it be unusual for a student to pass by guessing (which requires getting at least 14 correct answers)? why or why not?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

Opposite angles in a parrellelogram are

Answers: 1

Answer

You know the right answer?

Several psychology students are unprepared for a surprise true/false test with 18 questions, and all...

Questions

Chemistry, 05.05.2020 03:11

5 points Demarcus wants his friend, Alvin, to guess which planet he is describing. He tells Alvin that the planet is rocky and doesn't hav...

Social Studies, 05.05.2020 03:11

What is different about the Aztec story for the founding of their empire and the story historians have constructed?...

Mathematics, 05.05.2020 03:11

Need help with question 3:) anything is appreciated thank you!

Physics, 05.05.2020 03:11

If a = -kv, determine v =v(t) and x =x(t)...

Mathematics, 05.05.2020 03:11

I suck at geometry but if you can explain on how j can find radius without having a picture pulled up that would be great!

Mathematics, 05.05.2020 03:11

When the length of each leg is 3units, the ratio of the hypotenuseto the leg is:...

Chemistry, 05.05.2020 03:11

Pure potassium hydrogen phthalate is used for the standardization of the sodium hydroxide solution. Suppose that the potassium hydrogen phPure...

History, 05.05.2020 03:11

What was a goal of the French expansion into Asia...

Physics, 05.05.2020 03:11

What atom accounts for 91% of all the sun's atoms...

Mathematics, 05.05.2020 03:11

A teacher asks her students to write down the number of hours studied, rounded to the nearest half hour. She compiles the results and develops the pro...

Biology, 05.05.2020 03:11

In the fruit fly Drosophilia, eye color is sex-linked.The allele for red eyes is dominant (x") and the allele for white eyes is recessive (X").

Mathematics, 05.05.2020 03:11

Anybody good at geometry I need help with this worksheet

Mathematics, 05.05.2020 03:11

He original price of a tractor was $45,000. The price of the tractor decreases at a steady rate of 8.3% per year. What is the value of the tractor in...

Mathematics, 05.05.2020 03:11

You spin the spinner shown below once. Each sector shown has an equal area. What is \text{P(shaded sector})P(shaded sector)start text, P, left p...

Mathematics, 05.05.2020 03:11

Which polynomials are listed with their correct additive inverse? Check all that apply. 2 + 3x - 2; -22- 3x + 2 -y? - 10: -y? + 10 6...

Mathematics, 05.05.2020 03:11

By 3:00, Gregory had eaten 5 slices of pepperonipizza in 30 minutes. By 5:00, Gregory had eaten atotal of 12 slices. If Gregory continues...

Health, 05.05.2020 03:11

The only requirement for childcare providers is a love for children. A. True B. False...

Mathematics, 05.05.2020 03:11

The box plots below show the distribution of grades in one class on two tests. + + + + + + + + + + 72 73 74 75 76 77 78 79 80 81 82 83 84...

Law, 05.05.2020 03:11

4) This is a crime of creating or altering a document in order to defraud another person, persons, or business. this is on usatestprep...

Chemistry, 05.05.2020 03:11

What additional piece of evidence helps create Most complete argument that U. S. schools are working to avoid and mitigate a potential coronavirus out...

More questions: Mathematics Another questions