In a survey of companies, it was found that 45 were in the mining sector, 72...
- In a survey of companies, it was found that 45 were in the mining sector, 72 were in the financial sector, 32 were in the IT sector and 101 were in the production sector
- What is the probability that a randomly selected company is in the financial sector? [3 Marks]
What is the likelihood that a randomly selected company is either a mining company or an IT company?
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In a survey of companies, it was found that 45 were in the
mining sector, 72...
Use the information in the b) Fore Information in the table aboven swer the follow a)...
Use the information in the b) Fore Information in the table aboven swer the follow a) For each of the two random var For each of the two random yariables state the s c) Construct a cross tabulation table (columns) d) What is the probability that a rand the following questions. v e Variabl a ndom Variables state whether it is a que 12 e two random yariables zi e between Sector rows) and compot her it is a qualitative...
Question 4 (1 point) A survey of 500 internet users found that the users were on...
Question 4 (1 point) A survey of 500 internet users found that the users were on line an average of 6.5 hours a week with a standard deviation of 2.3 hours. If 36 internet users are randomly selected, what is the probability that their average on line time will be between 6 and 6.8 hours?
In a recent survey, it was found that the median income of families in country A...
In a recent survey, it was found that the median income of families in country A was $57,700. What is the probability that a randomly selected family has an income greater than $57,700? What is the probability that a randomly selected family has an income greater than $57,700? (Type an integer or a decimal.)
In a survey of a group of men, the heights in the 20-29 age group were...
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 68.4 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Complete the parts below. A. The probability that the study participant selected at random is less than 65 inches tall B. The probability that the study participant selected at random is between 65 and 72 inches tall C. The probability that the study participant...
A recently conducted survey found that 32% of customers stated that they prefer to buy items that they have seen adverti...
A recently conducted survey found that 32% of customers stated that they prefer to buy items that they have seen advertised on television. Suppose two hundred (200) customers were randomly selected, use an appropriate approximation to determine the probability that at most 50 of the customers prefer to buy items that they have seen advertised on television.
6. A survey was conducted to measure the heights of U.S. men. In the survey, respondents...
6. A survey was conducted to measure the heights of U.S. men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 69.9 inches and a standard deviation of 3 inches. A study participant is randomly selected. a) Find the probability that his height is less than 66 inches. b) Find the probability that his height is between 66 and 72 inches. c) Find the probability that his...
Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 320...
Suppose that insurance companies did a survey. They randomly surveyed 400 drivers and found that 320 claimed they always buckle up. We are interested in the population proportion of drivers who claim they always buckle up. which distribution should you use for this problem? (Round your answer to four decimal places.) P' ~( P', ?) ? I understand its normal distribution but i'm not sure what goes after the probability
A recent survey found that 74% of households had Internet access and 70% of households had...
A recent survey found that 74% of households had Internet access and 70% of households had cable television. Also, it was reported that 69% of the households in the survey had both Internet and cable television. Determine the probability of selecting a household that had either Internet access or cable television P(Internet or cable)- Type an integer or a decimal) (u) More A company that bakes chocolate chip cookies averages 52 chocolate chips per cookie. Assume that the number of...
A recent survey was conducted of the 30largest public companies in a particular country. Of these...
A recent survey was conducted of the 30largest public companies in a particular country. Of these 30 companies,9 were banking or investment companies based in city X. A total of 21city X companies were on the top 30 list. Suppose we select one of these 30 companies at random. Given that the company is based in city X, what is the probability that it is a banking or investment company? The probability is. _______ (Round to three decimal places as...
A survey was conducted in which 125 families were asked how many cats lived in their...
A survey was conducted in which 125 families were asked how many cats lived in their households. The results are shown below. a) What is the probability that a randomly selected family has one cat? b) What is the probability that a randomly selected family has more than one cat? c) What is the probability that a randomly selected family has cats? d) Is this an example of classical, empirical, or subjective probability? Number of Cats Number of Households 0...
Use the information in the b) Fore Information in the table aboven swer the follow a) For each of the two random var For each of the two random yariables state the s c) Construct a cross tabulation table (columns) d) What is the probability that a rand the following questions. v e Variabl a ndom Variables state whether it is a que 12 e two random yariables zi e between Sector rows) and compot her it is a qualitative...
Question 4 (1 point) A survey of 500 internet users found that the users were on line an average of 6.5 hours a week with a standard deviation of 2.3 hours. If 36 internet users are randomly selected, what is the probability that their average on line time will be between 6 and 6.8 hours?
In a recent survey, it was found that the median income of families in country A was $57,700. What is the probability that a randomly selected family has an income greater than $57,700? What is the probability that a randomly selected family has an income greater than $57,700? (Type an integer or a decimal.)
6. A survey was conducted to measure the heights of U.S. men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 69.9 inches and a standard deviation of 3 inches. A study participant is randomly selected. a) Find the probability that his height is less than 66 inches. b) Find the probability that his height is between 66 and 72 inches. c) Find the probability that his...
A recent survey found that 74% of households had Internet access and 70% of households had cable television. Also, it was reported that 69% of the households in the survey had both Internet and cable television. Determine the probability of selecting a household that had either Internet access or cable television P(Internet or cable)- Type an integer or a decimal) (u) More A company that bakes chocolate chip cookies averages 52 chocolate chips per cookie. Assume that the number of...
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