subject
Mathematics, 27.05.2021 19:30 genyjoannerubiera

Please Help ASAP! 1. On which of the following tests would a score of 85 be greatest if all of the tests are graded on a normal curve?
a. a test with scores that are normally distributed with a mean of 74 and a standard deviation of 7
b. a test with scores that are normally distributed with a mean of 70 and a standard deviation of 10
c. a test with scores that are normally distributed with a mean of 76 and a standard deviation of 6
d. a test with scores that are normally distributed with a mean of 72 and a standard deviation of 9

2. Let f(x)=√x and g(x)=x-13. Evaluate (f+g)(9)
a. (f+g) (9)=-4
b. (f+g) (9)=7
c. (f+g) (9)=-1
d. (f+g) (9)=3

3. A veterinary tech weighs a sample of 205 adult male rats. The sample mean weight is 320.62 grams and the sample standard deviation is 64.75 grams. What is the margin of error with a 99.9% confidence levels (z=3.29)?
a. 73.67
b. 14.88
c. 83.82
d. 38.77​

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:50
Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)
Answers: 2
question
Mathematics, 21.06.2019 20:50
In the diagram, gef and hef are congruent. what is the value of x
Answers: 1
question
Mathematics, 22.06.2019 03:00
The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?
Answers: 3
question
Mathematics, 22.06.2019 03:00
Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =
Answers: 1
You know the right answer?
Please Help ASAP! 1. On which of the following tests would a score of 85 be greatest if all of the...
Questions
question
Mathematics, 15.05.2021 14:00
question
English, 15.05.2021 14:00
question
Mathematics, 15.05.2021 14:00
question
Mathematics, 15.05.2021 14:00
question
Biology, 15.05.2021 14:00
question
Mathematics, 15.05.2021 14:00
question
Mathematics, 15.05.2021 14:00
question
Mathematics, 15.05.2021 14:00
Questions on the website: 13722361