Math  /  Data & Statistics

QuestionPart 6 of 6 Points: 0%0 \%, 9 of 10 points Save
Color blindness is an inherited characteristic that is more common in males than in females. If M represents male and C represents red-green color blindness, using the relative frequencies of the incidences of males and red-green color blindness as probabilities results in the values below. Complete parts (a) through ( ff ) below. P(C)=0.035,P(MC)=0.033,P(MC)=0.487P(C)=0.035, P(M \cap C)=0.033, P(M \cup C)=0.487 (a) Find P(C)P\left(C^{\prime}\right). P(C)=0.965P\left(C^{\prime}\right)=0.965 (Type an integer or a decimal.) (b) Find P(M)P(M). P(M)=0.485P(M)=0.485 (Type an integer or a decimal.) (c) Find P(M)P\left(M^{\prime}\right). P(M)=0.515P\left(M^{\prime}\right)=0.515 (Type an integer or a decimal.) (d) Find P(MC)P\left(M^{\prime} \cap C^{\prime}\right). P(MC)=0.513P\left(M^{\prime} \cap C^{\prime}\right)=0.513 (Type an integer or a decimal.) (e) Find P(CM)P\left(C \cap M^{\prime}\right). P(CM)=0.002P\left(C \cap M^{\prime}\right)=0.002 (Type an integer or a decimal.) (f) Find P(CM)P\left(C \cup M^{\prime}\right). P(CM)=4P\left(C \cup M^{\prime}\right)=\square_{4} (Type an integer or a decimal.)

Studdy Solution

STEP 1

1. We are given the probabilities P(C)=0.035 P(C) = 0.035 , P(MC)=0.033 P(M \cap C) = 0.033 , and P(MC)=0.487 P(M \cup C) = 0.487 .
2. We need to find the probabilities of complementary and combined events using the given data.

STEP 2

1. Calculate P(C) P(C') .
2. Calculate P(M) P(M) .
3. Calculate P(M) P(M') .
4. Calculate P(MC) P(M' \cap C') .
5. Calculate P(CM) P(C \cap M') .
6. Calculate P(CM) P(C \cup M') .

STEP 3

Calculate the probability of the complement of C C , P(C) P(C') :
P(C)=1P(C)=10.035=0.965 P(C') = 1 - P(C) = 1 - 0.035 = 0.965

STEP 4

Calculate the probability of M M using the formula for the union of two events:
P(MC)=P(M)+P(C)P(MC) P(M \cup C) = P(M) + P(C) - P(M \cap C)
Rearrange to solve for P(M) P(M) :
P(M)=P(MC)P(C)+P(MC) P(M) = P(M \cup C) - P(C) + P(M \cap C)
P(M)=0.4870.035+0.033=0.485 P(M) = 0.487 - 0.035 + 0.033 = 0.485

STEP 5

Calculate the probability of the complement of M M , P(M) P(M') :
P(M)=1P(M)=10.485=0.515 P(M') = 1 - P(M) = 1 - 0.485 = 0.515

STEP 6

Calculate the probability of the intersection of the complements, P(MC) P(M' \cap C') :
Using the formula for the complement of the union:
P(MC)=1P(MC) P(M' \cap C') = 1 - P(M \cup C)
P(MC)=10.487=0.513 P(M' \cap C') = 1 - 0.487 = 0.513

STEP 7

Calculate the probability of CM C \cap M' :
Using the formula for the intersection of complements:
P(CM)=P(C)P(MC) P(C \cap M') = P(C) - P(M \cap C)
P(CM)=0.0350.033=0.002 P(C \cap M') = 0.035 - 0.033 = 0.002

STEP 8

Calculate the probability of the union of C C and M M' :
Using the formula for the union:
P(CM)=P(C)+P(M)P(CM) P(C \cup M') = P(C) + P(M') - P(C \cap M')
P(CM)=0.035+0.5150.002=0.548 P(C \cup M') = 0.035 + 0.515 - 0.002 = 0.548
The probability P(CM) P(C \cup M') is:
0.548 \boxed{0.548}

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