Negative Binomial and Geometric Distributions help

mfdoom11

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Joined
Sep 21, 2019
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5
26.2% of flowers of a certain species bloom "early" (before May 1st). You work for an arboretum and have a display of these flowers.
a) In a row of 50 flowers, what is the probability that 14 will bloom early?
Incorrect

b) In a row of 50 flowers, what is the probability that fewer than 15 will bloom early?
Incorrect

c) As you walk down a row of these flowers, how many flowers do you expect to have to observe (on average) in order to see the first one that blooms early? (Keep your answer as a decimal.)
Incorrect

d) In a row of 40 flowers, what is the probability that more than 13 will bloom early?
Incorrect

e) In a row of 40 flowers, what is the probability that between 8 and 13 (inclusive) will bloom early?
Incorrect

f) In a row of flowers, what is the probability that you will have to observe 5 flowers in order to see the first one that blooms early?
Incorrect

g) In a row of flowers, what is the probability that you will observe more than 5 flowers to see the first one that blooms early?
Incorrect

Answer: 0.1197783911501
Answer: 0.68086731734449
Answer: 3.8167938931298
Answer: 0.13945241197377
Answer: 0.71994077506465
Answer: 0.077718916724832
Answer: 0.21891817001117

Confused how these answers were gotten, can someone explain the steps
 
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