Mathematics, 04.10.2021 06:50 rn2be1980
Suppose the marks on last year's PSYC 2260 exam were normally distributed with had a mean of 78% and a variance of 81%. If it takes 83% on the exam to earn an A in the class, what portion of students earned an A?
Question 25 options:
It is impossible to earn an A
71.23%
33%
28.77%
67%
Answers: 3
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
Mathematics, 21.06.2019 20:00
Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73
Answers: 2
Mathematics, 22.06.2019 00:00
Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment
Answers: 1
Mathematics, 22.06.2019 00:00
In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work
Answers: 2
Suppose the marks on last year's PSYC 2260 exam were normally distributed with had a mean of 78% and...
English, 02.08.2021 17:10
Physics, 02.08.2021 17:10
History, 02.08.2021 17:10
History, 02.08.2021 17:10
Chemistry, 02.08.2021 17:10
Mathematics, 02.08.2021 17:10
Biology, 02.08.2021 17:10
Health, 02.08.2021 17:10
Social Studies, 02.08.2021 17:10
English, 02.08.2021 17:10
Mathematics, 02.08.2021 17:10
Biology, 02.08.2021 17:10