Download presentation

Presentation is loading. Please wait.

Published byDaphne Matis Modified over 2 years ago

1
Suppose Z ~ N(0, 1). Use the standard Normal table or your calculator to find P(z -2.30). 1.0.0107 2.0.0099 3.0.9893 4.0.9901 5.0.9898 10

2
Suppose Z ~ N(0, 1). Use the standard normal table or your calculator to determine P(-2.25 < z < 1.77). 1.0.9494 2.0.9415 3.0.9477 4.0.9616 5.0.9432 10

3
What is the 50 th percentile of the standard normal distribution? 1.z = 0.50 2.z = 0.0 3.z = -0.5 4.z = 1.0 5.z = -1.0 10

4
What is the 67 th percentile of the standard normal distribution? 1.z = 0.67 2.z = 1.67 3.z = 0.44 4.z = -0.44 5.z = -0.67 10

5
The SAT scores of incoming NCSU freshmen can be approximated by a normal model with mean 1775 and standard deviation 135 (2400 point scale). What proportion of incoming freshmen score between 1559 and 2072? 1.0.0409 2.0.9313 3.0.6 4.0.9320 5..513 10

6
The SAT scores of incoming NCSU freshmen can be approximated by a normal model with mean 1775 and standard deviation 135 (2400 point scale). The scholarship office will offer scholarships to students who score in the top 2.28%. What is the lowest score a student can achieve and be eligible for a scholarship? 1.1505 2.2045 3.1908.47 4.1641.53 10

7
A box of Extreme Choco Loops cereal is marked “Net Wt. 12 oz.” If the actual weight can be approximated by a normal model with mean 12 oz. and standard deviation 0.2 oz, what is the probability that a box weighs less than 12 oz? 1.0.68 2.0.12 3.0.50 4.0.34 5.0.84 10

8
A box of Extreme Choco Loops cereal is marked “Net Wt. 12 oz.” If the actual weight can be approximated by a normal model with mean 12 oz. and standard deviation 0.2 oz, what weight will be exceeded by 2.5% of the boxes? 1.12.392 oz. 2.11.608 3.9.50 oz. 4.12.199 oz. 5.11.80 oz. 10

9
The cholesterol levels of adult American women can be approximated by a normal model with mean 188 mg/dL and a standard deviation of 24. Approximately what cholesterol value is the cutoff for the first quartile of adult American women cholesterol levels? 1.164.15 2.171.8 3.204.19 4.182 5.194 10

Similar presentations

Presentation is loading. Please wait....

OK

+ Unit 4 – Normal Distributions Week 9 Ms. Sanchez.

+ Unit 4 – Normal Distributions Week 9 Ms. Sanchez.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on content addressable memory cisco Ppt on slum areas in india Ppt on data collection methods in qualitative research Ppt on ergonomics computer workstations Ppt on different occupations of engineering Ppt on video teleconferencing Ppt on railway reservation system in c++ Ppt on fire extinguisher types Download ppt on conventional and non conventional sources of energy Ppt on review writing for second