1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
gavmur [86]
3 years ago
8

Bob's z-score for the last exam was 1.52 in Prof. Axolotl's class BIO 417, "Life Cycle of the Ornithorhynchus." Bob said, "Oh, g

ood, my score is in the top 10 percent." Assuming a normal distribution of scores, is Bob right?

Mathematics
1 answer:
poizon [28]3 years ago
3 0

Answer:

  yes

Step-by-step explanation:

The 90-th percentile of a normal distribution corresponds to a z-score of 1.282. Bob's z-score is above that, so he is definitely in the top 10%.

_____

If you haven't memorized the percentiles associated with the normal distribution, it is convenient to use a calculator or table of values.

You might be interested in
On Monday 336 fourth graders went on a field trip to a local park. The teachers divided them into 8 groups. Use a basic fact. Es
Lubov Fominskaja [6]

there were about 45 kids in every group

8 0
3 years ago
Read 2 more answers
A box of apples weights 1,058 pounds. If one apples weights 46 pounds, how many apples are there in the box?
Arte-miy333 [17]
There will be23 apples in the bow
5 0
3 years ago
Can someone help with this question idk how to do it
Ainat [17]

Answer:

Both are located on railroad lines

the question asks for similarities between Denver and Cheyenne. If you look at the map, both have the dotted line along them. In the key, the dotted lines represent railroads.

3 0
3 years ago
2/4 times 1/4 = m <br> IN SIMPLEST FORM
rjkz [21]

Answer:

Step-by-step explanation:

2/4 × 1/4 = (2×1)/(4×4) = 2/16 = 1/8

5 0
3 years ago
Read 2 more answers
Free Brainliest! **PLEASE HELP**
Arturiano [62]

a^2+16^2=20^2

a^2+256=400

Subtracting 256 from both sides

a^2=144

Taking squareroot both sides

a= \sqrt144

a = \sqrt2.2.3.2.2.3

a=12

Therefore length of missing leg is


a = 12 units

8 0
3 years ago
Read 2 more answers
Other questions:
  • 30 POINTS TO WHOEVER HELPS WITH THIS I NEED IT ASAP PLEASE HELP
    14·1 answer
  • How much cake will each person get if 3 people share 1 2 of a cake equally?
    10·2 answers
  • Which box-and-whisker plot represents the data set?<br><br> 11, 6, 19, 14, 21, 7, 13, 15, 15
    7·1 answer
  • Find the missing value for X
    11·1 answer
  • 4(-6)+y=10<br> can someone hellp
    13·2 answers
  • Will Mark Brainiest! 20 Points!
    7·1 answer
  • What’s the nth term for 3,4.5,6,7.5
    13·1 answer
  • The James family purchased their home in 2000 for $175,000. In 2017, they sold their home for $250,000. What is the percent chan
    13·2 answers
  • Find the total surface area of this cone, leaving your answer in terms of pi​
    11·1 answer
  • Will mark brainliest if you have the full practice answers!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!