Question
In: Statistics and Probability
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy...
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known allergies to poison ivy participated in the study. Oil from the poison ivy plant was rubbed on a patch of skin. For 500 of the subjects, it was washed off within 5 minutes. For the other 500 subjects, the oil was washed off after 5 minutes. The results are summarized in the following table. Reaction Within 5 Minutes After 5 Minutes Row Total None Mild Strong 419 65 16 40 322 138 459 387 154 Column Total 500 500 1000 Let's use the following notation for the various events: W = washing oil off within 5 minutes, A = washing oil off after 5 minutes, N = no reaction, M = mild reaction, S = strong reaction. Find the following probabilities for a person selected at random from this sample of 1000 subjects. (Use 3 decimal places.) (a) P(N) P(M) P(S) (b) P(N | W) P(S | W) (c) P(N | A) P(S | A) (d) P(N and W) P(M and W) (e) P(N or M).
Solutions
orchestra answered 1 year agoRelated Solutions
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy...
Allergic reactions to poison ivy can be miserable. Plant oils
cause the reaction. Researchers at Allergy Institute did a study to
determine the effects of washing the oil off within 5 minutes of
exposure. A random sample of 1000 people with known allergies to
poison ivy participated in the study. Oil from the poison ivy plant
was rubbed on a patch of skin. For 500 of the subjects, it was
washed off within 5 minutes. For the other 500 subjects,...
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy...
Allergic reactions to poison ivy can be miserable. Plant oils
cause the reaction. Researchers at Allergy Institute did a study to
determine the effects of washing the oil off within 5 minutes of
exposure. A random sample of 1000 people with known allergies to
poison ivy participated in the study. Oil from the poison ivy plant
was rubbed on a patch of skin. For 500 of the subjects, it was
washed off within 5 minutes. For the other 500 subjects,...
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy...
Allergic reactions to poison ivy can be miserable. Plant oils
cause the reaction. Researchers at Allergy Institute did a study to
determine the effects of washing the oil off within 5 minutes of
exposure. A random sample of 1000 people with known allergies to
poison ivy participated in the study. Oil from the poison ivy plant
was rubbed on a patch of skin. For 500 of the subjects, it was
washed off within 5 minutes. For the other 500 subjects,...
Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy...
Allergic reactions to poison ivy can be miserable. Plant oils
cause the reaction. Researchers at Allergy Institute did a study to
determine the effects of washing the oil off within 5 minutes of
exposure. A random sample of 1000 people with known allergies to
poison ivy participated in the study. Oil from the poison ivy plant
was rubbed on a patch of skin. For 500 of the subjects, it was
washed off within 5 minutes. For the other 500 subjects,...
Suppose you test a population of poison ivy (my favorite plant!) and find that out of...
Suppose you test a population of poison ivy (my favorite plant!)
and find that out of 800 plants 32 of them are not poisonous, 768
are poisonous. What are the gene frequencies for the poisonous and
non-poisonous alleles?
Define adverse, allergic, and anaphylactic shock reactions. Compare and contrast an allergic reaction from an anaphylactic...
Define adverse, allergic, and anaphylactic shock reactions.
Compare and contrast an allergic reaction from an anaphylactic
shock. What pharmaceuticals are used to treat these conditions?
can you administer adult epipen to a Child experiencing allergic reaction?
can you administer adult epipen to a Child experiencing allergic
reaction?
What are “hallmarks” of chemical reactions, that is,how can you observe that a chemical reaction has...
What are “hallmarks” of chemical reactions, that is,how can you
observe that a chemical reaction has taken place?
1. How can the Kc of two possible reactions be compared to determine which reaction is...
1. How can the Kc of two possible reactions be
compared to determine which reaction is occuring?
2. How are the equilibrium moles of reactants(ions remaining in
solution) calculated?
3. What are the equilibrium constant equations for the below
reactions?
Fe3+ + SCN- <==>
FeSCN2+
Fe3+ + 2SCN- <==>
Fe(SCN)2+
4. How are initial moles of a reactant calculated?
5. How is the concentration of the product determined for a
reaction?
Explain whether acid can catalyze each of the following reactions; i.e., whether the reaction is faster...
Explain whether acid can catalyze each of the following
reactions; i.e., whether the reaction is faster at (pH lower than
7) than at pH 7:
1. Conversion of asparagine to aspartic and isoaspartic acid in
peptides.
2. Conversion of aspartic acid to isoaspartic acid in
peptides.
3. Cleavage of the peptide backbone at the aspartic acid
residue.
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