Recent research indicated that about 20 % of children in a certain country are deficient in...
Recent research indicated that about
20 %
of children in a certain country are deficient in vitamin D. A company that sells vitamin D supplements tests
400
elementary school children in one area of the country. Use a Normal approximation to find the probability that no more than
67
of them have vitamin D deficiency.
The probability is approximately ______
(Round to three decimal places as needed.)
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Recent research indicated that about
20 %
of children in a certain country are deficient in...
A recent study of 3000 children randomly selected found 23% of them deficient in vitamin D....
A recent study of 3000 children randomly selected found 23% of them deficient in vitamin D. a) Construct the 98% confidence interval for the true proportion of children who are deficient in vitamin D. left parenthesis nothing comma nothing right parenthesis (Round to three decimal places as needed.) b) Explain carefully what the interval means. A. We are 98% confident that the interval contains the true proportion of children deficient in vitamin D. B. We are 98% confident that the...
Support that recent pol found that 50% of adults in a certain country believe that the...
Support that recent pol found that 50% of adults in a certain country believe that the overall state of moral values is poor a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the rate of moral values, como parts through to below Gero habet bominion Find and were the probably the exactly 10 of the surveyed to the vale of morali ispor The pray that...
1. Approximately 30% of obese patients develop diabetes (p=0.3). If a physician sees 10 patients (n=10)...
1. Approximately 30% of obese patients develop diabetes (p=0.3). If a physician sees 10 patients (n=10) who are obese, what is the probability that half of them will develop diabetes (Pr X=5)? [Hint: use the binomial equation] A. 0.10 B. None are correct C. 249.8 D. 3.34 * 10-6 E. 0.01 2. Obesity is a growing problem in the U.S. and educators are looking to determine the probability of children in their schools becoming obese...
Suppose that a recent poll found that 50% of adults in a certain country believe that...
Suppose that a recent poll found that 50% of adults in a certain country believe that the overall state of moral values is poor. If a survey of a random sample of 20 adults in this country is conducted in which they are asked to disclose their feelings on the overall state of moral values, complete parts (a) through (e) below. Click here to view the table for the binomial probability distribution. Click here to view the table for the...
o A random sample of 1015 adults in a certain large country was asked "Do you...
o A random sample of 1015 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without of the 1015 adults surveyed, 512 indicated that televisions are a luxury they could do without Complete parts (a) through (0) below. Growth andardroge Click to view the standard normal distriton tablete (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions...
A random sample of 1028 adults in a certain large country was asked "Do you pretty...
A random sample of 1028 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1028 adults surveyed, 527 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the...
i am stuck can someone help me answer these please 0.2.9 Question Help 0 Find the...
i am stuck can someone help me answer these please
0.2.9 Question Help 0 Find the indicated 10 score. The graph to the right depicts 10 scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.99 0 The indicated IQ score, x, is (Round to one decimal place as needed.) Question Help y...
question 1. A random sample of 1002 adults in a certain large country was asked "...
question 1. A random sample of 1002 adults in a certain large country was asked " do you pretty much think televisions are necessity or a luxury you could do without?" Of the 1002 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below question 2. A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate...
Using Market Research to Redefine the YMCA The YMCA conducted marketing research to gain a better...
Using Market Research to Redefine the YMCA The YMCA conducted marketing research to gain a better understanding of how its brand was viewed by consumers. This activity is important because marketers are frequently called on to design and implement marketing research projects. The goal of this activity is to apply marketing research frameworks to the YMCA's research activities. Read about YMCA's marketing research efforts and answer the questions that follow. Over the years, the YMCA has come to mean different...
All of the following questions are in relation to the following journal article which is available...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
Support that recent pol found that 50% of adults in a certain country believe that the overall state of moral values is poor a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the rate of moral values, como parts through to below Gero habet bominion Find and were the probably the exactly 10 of the surveyed to the vale of morali ispor The pray that...
Suppose that a recent poll found that 50% of adults in a certain country believe that the overall state of moral values is poor. If a survey of a random sample of 20 adults in this country is conducted in which they are asked to disclose their feelings on the overall state of moral values, complete parts (a) through (e) below. Click here to view the table for the binomial probability distribution. Click here to view the table for the...
o A random sample of 1015 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without of the 1015 adults surveyed, 512 indicated that televisions are a luxury they could do without Complete parts (a) through (0) below. Growth andardroge Click to view the standard normal distriton tablete (a) Obtain a point estimate for the population proportion of adults in the country who believe that televisions...
A random sample of 1028 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1028 adults surveyed, 527 indicated that televisions are a luxury they could do without. Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Obtain a point estimate for the...
i am stuck can someone help me answer these please
0.2.9 Question Help 0 Find the indicated 10 score. The graph to the right depicts 10 scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. 0.99 0 The indicated IQ score, x, is (Round to one decimal place as needed.) Question Help y...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
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