Research has shown that 6 out of 10 marriages (i.e., 60 percent) in US end in...
Research has shown that 6 out of 10 marriages (i.e., 60 percent) in US end in divorce. For a random sample of 5 just-married couples, what is the probability that five couples get divorced?
Research has shown that 6 out of 10 marriages (i.e., 60 percent) in US end in divorce. For a random sample of 5 just-married couples, what is the mean of the number of couples expected to get divorced?
Research has shown that 6 out of 10 marriages (i.e., 60 percent) in US end in divorce. For a random sample of 5 just-married couples, what is the standard deviation of the number of couples expected to get divorced?
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Research has shown that 6 out of 10 marriages (i.e., 60 percent)
in US end in...
If the probability is .55 that a marriage will end in divorce within 20 years, what...
If the probability is .55 that a marriage will end in divorce within 20 years, what is the probability thag out of 6 couples just married, in the next 20 years A)None will be divorced? B) All will be divorced? C) Exactly 5 will be divorced? D)At least 5 will be divorced?
EVER BEEN DIVORCED OR SEPARATED * DEALING WITH DRUG ADDICTION Crosstabulation DEALING WITH DRUG ADDICTION Total...
EVER BEEN DIVORCED OR SEPARATED * DEALING WITH DRUG ADDICTION Crosstabulation DEALING WITH DRUG ADDICTION Total TOO LITTLE ABOUT RIGHT TOO MUCH EVER BEEN DIVORCED OR SEPARATED YES Count 147 84 32 263 % within DEALING WITH DRUG ADDICTION 26.1% 26.9% 26.4% 26.4% NO Count 417 228 89 734 % within DEALING WITH DRUG ADDICTION 73.9% 73.1% 73.6% 73.6% Total Count 564 312 121 997 % within DEALING WITH DRUG ADDICTION 100.0% 100.0% 100.0% 100.0% The description of this table...
please answer both questions and show necessary work 4. If Bacterium X has a generation time of 60 minutes and 10 Ba...
please answer both questions and show necessary
work
4. If Bacterium X has a generation time of 60 minutes and 10 Bacteria X cells are inoculated into broth, how many hours will it be before there are 10° Bacteria Y colls in the broth culture? You MUST SHOW YOUR WORK to get credit. (2 % pts. total) 5. Using the graph below, draw the expected growth curve for a bacterial microorganism that spends 60 minutes in the lag phase, undergoes...
Can I get some help with these questions please,thank you The marital status distribution of the...
Can I get some help with these questions please,thank
you
The marital status distribution of the U.S. male population, age 15 and older, is as shown below. Marital Status Percent never married 31.3 married 56.1 widowed 2.5 divorced/separated 10.1 Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of the U.S. adult population at the...
The random sample shown below was selected from a normal distribution. 3, 10, 4, 6, 8,...
The random sample shown below was selected from a normal distribution. 3, 10, 4, 6, 8, 5 a. Construct a 95% confidence interval for the population mean mu. (Round to two decimal places as needed.) b. Assume the sample mean x and sample standard deviation s remain exactly the same as those who just calculated but that are based on a sample of n=25 observations. repeat part a. what is the effect of increasing the sample size on the width...
1) Out of 100 people sampled, 60 preferred Candidate A. Based on this, estimate what proportion...
1) Out of 100 people sampled, 60 preferred Candidate A. Based on this, estimate what proportion of the voting population (pp) prefers Candidate A. Use a 99% confidence level, and give your answers as decimals, to three places. _____ < P < ______ 2) You work for a marketing firm that has a large client in the automobile industry. You have been asked to estimate the proportion of households in Chicago that have two or more vehicles. You have been...
A multiple-choice exam offers five choices for each question. Jason just guesses the answers, so he has probability 1/5 of getting any one answer right. One of your math major friends tells you that t...
A multiple-choice exam offers five choices for each question. Jason just guesses the answers, so he has probability 1/5 of getting any one answer right. One of your math major friends tells you that the assignment of probabilities to the number of questions Jason gets right out of 10 is (rounded to three decimal places):What is the expected number of right answers Jason will get if the test has 10 questions? A) 5 B)2.282 C) 2.493 D) 3.5 E)Can't tell...
The WeDream Company has spent $10 million, a big sunk cost, in research and development, and has successfully invented...
The WeDream Company has spent $10 million, a big sunk cost, in research and development, and has successfully invented a new electronic device. It is thinking of building a plant to produce this new device. The plant and equipment will cost $5 million. It will last for ten years and will have no salvage value at the end of that time.The land the plant will be built on could be rented out for $300,000 per year before taxes for the...
In a large restaurant an average of 2 out of every 5 customers ask for water...
In a large restaurant an average of 2 out of every 5 customers ask for water with their meal. A random sample of 10 independent customers is selected. (a) What is the probability that exactly 6 customers ask for water with their (b) What is the probability that less than 9 customers ask for water with their (c) What is the expected number of customers who ask for water with their (d) What is the variance of the number of...
The random sample shown below was selected from a normal distribution. 8, 10, 6, 4, 5,...
The random sample shown below was selected from a normal distribution. 8, 10, 6, 4, 5, 3 O Complete parts a and b. a. Construct a 95% confidence interval for the population mean u. OD (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviations remain exactly the same as those you just calculated but that are based on a sample of n = 25 observations. Repeat part a. What is the effect...
please answer both questions and show necessary
work
4. If Bacterium X has a generation time of 60 minutes and 10 Bacteria X cells are inoculated into broth, how many hours will it be before there are 10° Bacteria Y colls in the broth culture? You MUST SHOW YOUR WORK to get credit. (2 % pts. total) 5. Using the graph below, draw the expected growth curve for a bacterial microorganism that spends 60 minutes in the lag phase, undergoes...
Can I get some help with these questions please,thank
you
The marital status distribution of the U.S. male population, age 15 and older, is as shown below. Marital Status Percent never married 31.3 married 56.1 widowed 2.5 divorced/separated 10.1 Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of the U.S. adult population at the...
In a large restaurant an average of 2 out of every 5 customers ask for water with their meal. A random sample of 10 independent customers is selected. (a) What is the probability that exactly 6 customers ask for water with their (b) What is the probability that less than 9 customers ask for water with their (c) What is the expected number of customers who ask for water with their (d) What is the variance of the number of...
The random sample shown below was selected from a normal distribution. 8, 10, 6, 4, 5, 3 O Complete parts a and b. a. Construct a 95% confidence interval for the population mean u. OD (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviations remain exactly the same as those you just calculated but that are based on a sample of n = 25 observations. Repeat part a. What is the effect...
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