a jar of cookies contains 18 different types of cookies. Each type is equally likely to be chosen. Based on your simulation, how
2 answers:
Answer:
Number of Cookies in the jar =18={A,B,C.......,...P,Q,R}
It is given that, each type is equally likely to be chosen.
Probability of an event
Probability of Getting any of the cookies out of 18 cookies
When number of outcomes increases , probability of getting each type of cookie will be Higher.
So, there are 18 cookies , when number of each type of cookie will be
=18 × 18
=324 cookies ,means each distinct single cookie is available in 18 containers, means that is there is total of 324 containers.
So, out of 324 containers each cookie must be chosen 18 times.
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Answer:
a) Attachment
b) 6 to 14.8 in
c) 2.5%
Step-by-step explanation:
Given:
- The mean is u = 10.4 in
- The standard deviation s.d = 4.4
- Sample size n = 28
Find:
- Choose the correct Normal model for tree diameters. A. B. C.
- What size would you expect the central 68% of all tree diameters to be?Using the 68-95-99.7 rule, the central 68% of the tree diameters are between ____ inches and _____ inches.
- About what percent of the trees should have diameters below 1.6 inches?
Solution:
- The central 68% lies within two s.d from mean.
10.4 + 1*4.4 = 14.8
10.4 - 1*4.4 = 6
Hence, the central 68% are between 6 and 14.8 inches.
- The central 95% lies within two s.d from mean.
10.4 + 2*4.4 = 19.2
10.4 - 2*4.4 = 1.6
- The central 95% are between 1.6 and 19.2 inches.
- Hence, P ( X < 1.6) = (1 - 0.95)/2 = 0.025 or 2.5%
