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30) Assuming that 50% of the population is male and 50 % female. Assume that 20%...
Eye Color\Gender Females Males TOTAL Brown 20 5 25 Blue 15 30 45 Green 30 50...
Eye Color\Gender Females Males TOTAL Brown 20 5 25 Blue 15 30 45 Green 30 50 80 TOTAL 65 85 150 1. What is the probability of selecting an individual has brown eyes or is a female? 2. What is the probability of selecting an individual with brown eyes given that they are male? 3. What is the probability of selecting an individual is a female? 4. What is the probability of selecting an individual is a female with brown...
in a survey of 50 males and 30 females it was found that 30 males and...
in a survey of 50 males and 30 females it was found that 30 males and 20 females exercise regularly. If a person is elected at random what is the probabliity that given that they are male they exercise regularly given that they do not exercise regularly they are female
50% of dogs in a pound are male (M), 30% of dogs have long ears (L),...
50% of dogs in a pound are male (M), 30% of dogs have long ears (L), and 20% are female and have long ears i) if a dog is selected at random, what is the probability that the dog is male with long ears? ii) if a female dog is selected at random, what is the probability that she has long ears?
a) b) Salary information regarding two independent random samples of male and female employees of a...
a)
b)
Salary information regarding two independent random samples of male and female employees of a large company is shown below. Male Female 64 36 Sample size Sample mean salary (in $1000s) Population variance 44 41 128 72 If you are interested in testing whether the average salary of males is significantly greater than that of females, what is the null hypothesis? O Ho: male < female Ho male > female Ho: male > female None of the answers is...
Salary information regarding male and female employees of a large company is shown below. Male Female...
Salary information regarding male and female employees of a large company is shown below. Male Female Sample Size 68 32 Sample Mean Salary (in $1,000s) 59 52 Population Variance (σ2) 272 160 In a test of whether or not the population average salary of males is significantly greater than that of females at α = 0.05, the p-value is 0.0098. a) The conclusion is that the population salaries of males and females are equal. b) there is no evidence that...
(a) Approx. Kate the population mean and standard deviation of age for males. Male and female...
(a) Approx. Kate the population mean and standard deviation of age for males. Male and female populations of elephants under 80 years old are represented by age in the table below. Complete parts (a) through (d) UE (Round to two decimal places as needed.) A (Round to two decimal places as needed.) (b) Approximate the population mean and standard deviation of age for females. Age -9 10-19 20-29 30-39 10-49 50-59 50-69 70-79 Males 14 13 12 17 24 24...
A (w-/ w-) white-eyed Drosophila female is crossed with a red-eyed male. Assuming the trait for...
A (w-/ w-) white-eyed Drosophila female is crossed with a red-eyed male. Assuming the trait for eye color is sex-linked, what are the possible phenotypes of the progeny? All red-eyed individuals Red- and white-eyed females and males Only red-eyed females and white-eyed males Both red- and white-eyed males and only white-eyed females None of these
Help please 20 of 40 (0 complete This Question: 2 pts A survey of 200 people...
Help please
20 of 40 (0 complete This Question: 2 pts A survey of 200 people was conducted to see if they smoke. The results are shown below Female 74 17 91 Tota 161 39 200 87 Doesn't smoke 22 Total 109 If a person is selected at random, what is the probability that the person is a male or is a smoker? OA. 1785 O B. 0423 O C. correct answer is not given D. 0.915 it a person...
A finite math class of 50 students is composed of freshmen and sophomores according to the...
A finite math class of 50 students is composed of freshmen and sophomores according to the table below. A student from the class is selected at random. Freshmen Sophomores Females 12 8 Males 14 16 a) What is the probability that the selected student is either a male or a freshman? b) What is the probability that the selected student is neither a female nor a sophomore?
A certain population contains equal numbers of males and females. 40% of the population has long...
A certain population contains equal numbers of males and females. 40% of the population has long hair. 35% of the population is female with long hair. If an individual is randomly selected from this population, the probability that the individual is female or has long hair (or both) is
Eye Color\Gender Females Males TOTAL Brown 20 5 25 Blue 15 30 45 Green 30 50 80 TOTAL 65 85 150 1. What is the probability of selecting an individual has brown eyes or is a female? 2. What is the probability of selecting an individual with brown eyes given that they are male? 3. What is the probability of selecting an individual is a female? 4. What is the probability of selecting an individual is a female with brown...
a)
b)
Salary information regarding two independent random samples of male and female employees of a large company is shown below. Male Female 64 36 Sample size Sample mean salary (in $1000s) Population variance 44 41 128 72 If you are interested in testing whether the average salary of males is significantly greater than that of females, what is the null hypothesis? O Ho: male < female Ho male > female Ho: male > female None of the answers is...
(a) Approx. Kate the population mean and standard deviation of age for males. Male and female populations of elephants under 80 years old are represented by age in the table below. Complete parts (a) through (d) UE (Round to two decimal places as needed.) A (Round to two decimal places as needed.) (b) Approximate the population mean and standard deviation of age for females. Age -9 10-19 20-29 30-39 10-49 50-59 50-69 70-79 Males 14 13 12 17 24 24...
Help please
20 of 40 (0 complete This Question: 2 pts A survey of 200 people was conducted to see if they smoke. The results are shown below Female 74 17 91 Tota 161 39 200 87 Doesn't smoke 22 Total 109 If a person is selected at random, what is the probability that the person is a male or is a smoker? OA. 1785 O B. 0423 O C. correct answer is not given D. 0.915 it a person...
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