Cheyanne Leigh
2020-11-26
Answered

We have a data set (n=100) with hormone concentrations and the frequency of each value. Assuming normal (continuous) distributions, We need to determine the parameters of the continuous probability distribution functions.

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asked 2021-12-04

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 31 hours and the median is 27.2 hours. Twenty-four of the families in the sample turned on the television for 16 hours or less for the week. The 7th percentile of the data is 16 hours.

Approximately how many families are in the sample? Round your answer to the nearest integer.

Approximately how many families are in the sample? Round your answer to the nearest integer.

asked 2021-12-04

Yorkies Company has fixed costs of $80,000 per month.

Variable costs are $12 per item produced.

The selling price per unit is fixed at $20.

From the past company data, you have determined that Yorkies Companys

Variable costs are $12 per item produced.

The selling price per unit is fixed at $20.

From the past company data, you have determined that Yorkies Companys

asked 2021-11-29

If an experiment involves: a) a random sample of size n is selected without replacement from N items, and b) of the N items, k may be classified as successes and $N-k$ are classified as failures, this falls under:

a. negative binomial

b. geometric

c. poisson

d. hypergeometric

a. negative binomial

b. geometric

c. poisson

d. hypergeometric

asked 2021-12-04

a) Toss a fair coin 100 times. How many heads do you have?

b) Use R to pick 40 cards from a deck of 52.

b) Use R to pick 40 cards from a deck of 52.

asked 2021-12-03

From the data, answer the following With Solving solution:

1. What is the probability that it is a male or in managerial position?

2. What is the probability that it is neither male nor in managerial position

3. What is the probability that it is female or clerical portion?

$$\begin{array}{|cccc|}\hline Position& Male& Female& Total\\ Managerial& 8& 4& 12\\ Engineer& 18& 7& 25\\ Accountant& 3& 5& 8\\ Clerical& 15& 28& 40\\ Total& 44& 44& 88\\ \hline\end{array}$$

1. What is the probability that it is a male or in managerial position?

2. What is the probability that it is neither male nor in managerial position

3. What is the probability that it is female or clerical portion?

asked 2021-11-28

LightCastle Partners, a Bangladeshi business management consultant, employs a large number of data analysts to analyze the data in a survey project. The time it takes for new data analysts to learn the analysts procedure is known to have a normal distribution with a mean of 82 minutes and a standard deviation of 11 minutes.

a. What is the probability that the new data analysts will take more than 77 minutes to learn the analysis procedure?

b. What is the probability that the new data analysts will take between 54 to 85 minutes to learn the analysis procedure?

c. To maintain employee standars, LightCastle does not hire any analyst who fails to learn the process within a specified time. Therefore, what should be the specified time limit if they wish to retain at most 72.67% of new analysts?

? minutes

a. What is the probability that the new data analysts will take more than 77 minutes to learn the analysis procedure?

b. What is the probability that the new data analysts will take between 54 to 85 minutes to learn the analysis procedure?

c. To maintain employee standars, LightCastle does not hire any analyst who fails to learn the process within a specified time. Therefore, what should be the specified time limit if they wish to retain at most 72.67% of new analysts?

? minutes

asked 2021-11-30

Ali Baba's Car Wash Service Centre is open 6 days a week, but its busiest day is always on Sunday. From the previous data, Ali Baba estimates that dirty cars arrive at the rate of one every two minutes, One car at a time is cleaned in this example of a single-channel waiting line. Assuming Poisson arrivals and exponential service times, find the following:

Calculate the value of probability that there are no car in the system.