An island has 2 species of birds. Species 1 accounts for 45% of the birds, of...
An island has 2 species of birds. Species 1 accounts for 45% of
the birds, of which 10% have been tagged. Species 2 accounts for
55%, of which 15% have been tagged.
(1) what is the probability for a randomly selected bird to be
tagged?
(2) If a tagged bird is selected, what is the probability that it is of species 1? (3) If a tagged bird is selected, what is the probability that it is of species 2?
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An island has 2 species of birds. Species 1 accounts for 45% of
the birds, of...
I. An island has three species of bird. Species 1 accounts for 45% of the birds,...
I. An island has three species of bird. Species 1 accounts for 45% of the birds, of which 10% have been tagged. Species 2 accounts for 38% of the birds, of which 15% have been tagged. Species 3 accounts for 17% of the birds, of which 50% have been tagged. If a non-tagged bird is observed, what is the probability that it is of species 2? Round to 3 decimal places.
STAT 381 - Take Home Quiz 2 -Spring 2019 Name 1. An island has three speci...
STAT 381 - Take Home Quiz 2 -Spring 2019 Name 1. An island has three speci Species 2 accounts for 38% of the birds, of which 15% have been tagged, Sp birds, of which 50% h species 2? Round to 3 decimal places. es of bird. Species 1 accounts for 45% of the birds, of which 10% have been tagged. ecies 3 acco unts for 17% of the ave been tagged. If a non-tagged bird is observed, what is the...
Parrot Island LLC Parrot Island works with TV and movie producers who need birds that can...
Parrot Island LLC Parrot Island works with TV and movie producers who need birds that can perform special tricks, such as playing dead, reciting poetry, climbing ladders, and various other tricks. The company has about 50 birds and a list of 20 tricks from which to choose. Each bird can perform one or more tricks. Many tricks can be performed by more than one bird. When a bird learns a new trick. the trainer assigns a skill level. Some customers...
Questions 4-7 relate to the paragraph below. Dr. Lee studies evolution in birds. He wants to...
Questions 4-7 relate to the paragraph below. Dr. Lee studies evolution in birds. He wants to test whether a finch-like bird on Island X in the Galapagos archipelago is a different species from the finches found on the other islands in the archipelago. Beak length is used to distinguish finches from other species of birds in the Galapagos archipelago. The mean beak length of the population of finches in the Galapagos is 2 cm; the variance of beak length in...
A rare species of bird
A rare species of bird has been re-introduced to a national forest, and researchers have been modeling their population growth over a span of 10 years. In the equation below, the variable “Years Elapsed” represents the number of years since the birds have been re-introduced to this forest. The analysts did not include the value 0 in the model, so the values for years elapsed range from 1 to 10. (Birds) = 218.86 + 35*In(Years Elapsed) On average, every three years the...
please answer all 1. (a) A certain species of bird always lays 3 eggs in the spring, but it is not guaranteed that all of the eggs it lays will hatch. Scientists think that a model for the nunber,...
please answer all
1. (a) A certain species of bird always lays 3 eggs in the spring, but it is not guaranteed that all of the eggs it lays will hatch. Scientists think that a model for the nunber, X, of eggs that hatch has a probability distribution given by 0 where θ is a parameter to be estimated. i) Given that at least one egg hatches, determine the probability that all three eggs in a nest hatch. 2 marks...
1. There are one million marbles in a bag (10% of them are white, 45% of...
1. There are one million marbles in a bag (10% of them are white, 45% of them are green, and 45% of them are black). One by one, randomly select the marbles until you have 5 green marbles. The number of marbles selected was recorded. Part (a): What is the probability that you will have a total of 10 marbles? Part (b): What is the probability that you will have a total of 15 marbles? 2. There are one million...
Ornithologists have determined that some species of birds tend to avoid flights over large bodies of water during daylig...
Ornithologists have determined
that some species of birds tend to avoid flights over large bodies
of water during daylight hours. It is believed that more energy is
required to fly over water than land because air generally rises
over land and falls over water during the day. A bird with these
tendencies is released from an island that is 5 km from the nearest
point B on a straight shoreline, flies to a point C on the
shoreline, and then...
For many generations, a forest has been the home of a single species of bird; these...
For many generations, a forest has been the home of a single species of bird; these birds primarily eat insects off the forest floor. One year, humans living in the area accidentally introduce a new species of bird to the forest. This new species has the same diet as the existing species. Predict what will most likely result from these two species of bird living in the same ecosystem. In your answer, be sure to refer to the competitive exclusion...
1) Justin has a bird feeder which gets visited by an average of 18 birds every...
1) Justin has a bird feeder which gets visited by an average of 18 birds every 2 hours during daylight hours. What is the probability that the bird feeder will be visited by more than 5 birds in a 40 minute period during daylight hours? (Round your answer to three decimal places.) 2) A soda bottling company’s manufacturing process is calibrated so that 99% of bottles are filled to within specifications, while 1% is not within specification. Every hour, 12...
I. An island has three species of bird. Species 1 accounts for 45% of the birds, of which 10% have been tagged. Species 2 accounts for 38% of the birds, of which 15% have been tagged. Species 3 accounts for 17% of the birds, of which 50% have been tagged. If a non-tagged bird is observed, what is the probability that it is of species 2? Round to 3 decimal places.
STAT 381 - Take Home Quiz 2 -Spring 2019 Name 1. An island has three speci Species 2 accounts for 38% of the birds, of which 15% have been tagged, Sp birds, of which 50% h species 2? Round to 3 decimal places. es of bird. Species 1 accounts for 45% of the birds, of which 10% have been tagged. ecies 3 acco unts for 17% of the ave been tagged. If a non-tagged bird is observed, what is the...
Parrot Island LLC Parrot Island works with TV and movie producers who need birds that can perform special tricks, such as playing dead, reciting poetry, climbing ladders, and various other tricks. The company has about 50 birds and a list of 20 tricks from which to choose. Each bird can perform one or more tricks. Many tricks can be performed by more than one bird. When a bird learns a new trick. the trainer assigns a skill level. Some customers...
Questions 4-7 relate to the paragraph below. Dr. Lee studies evolution in birds. He wants to test whether a finch-like bird on Island X in the Galapagos archipelago is a different species from the finches found on the other islands in the archipelago. Beak length is used to distinguish finches from other species of birds in the Galapagos archipelago. The mean beak length of the population of finches in the Galapagos is 2 cm; the variance of beak length in...
please answer all
1. (a) A certain species of bird always lays 3 eggs in the spring, but it is not guaranteed that all of the eggs it lays will hatch. Scientists think that a model for the nunber, X, of eggs that hatch has a probability distribution given by 0 where θ is a parameter to be estimated. i) Given that at least one egg hatches, determine the probability that all three eggs in a nest hatch. 2 marks...
Ornithologists have determined
that some species of birds tend to avoid flights over large bodies
of water during daylight hours. It is believed that more energy is
required to fly over water than land because air generally rises
over land and falls over water during the day. A bird with these
tendencies is released from an island that is 5 km from the nearest
point B on a straight shoreline, flies to a point C on the
shoreline, and then...
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