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Find the value of...
Among 34- to 39-year-olds, 41% say they have danced in public while under the influence of...
Among 34- to 39-year-olds, 41% say they have danced in public while under the influence of alcohol. Suppose five 34- to 39-year-olds are selected at random. Complete parts (a) through (d) below. (a) What is the probability that all five have danced in public while under the influence of alcohol? (Round to four decimal places as needed.) (b) What is the probability that at least one has not danced in public while under the influence of alcohol? (Round to four...
Among 33 - to 38 -year-olds, 31 % say they have called a talk show while...
Among 33 - to 38 -year-olds, 31 % say they have called a talk show while under the influence of peer pressure . Suppose seven 33 - to 38 -year-olds are selected at random. (a) What is the probability that at least one has not called a talk show while under the influence of peer pressure ? (b) What is the probability that at least one has called nbsp a talk showwhile under the influence of peer pressure ? (a)...
Answer both questions all parts complete to get 100% feedback or dont attempt please!! Round off...
Answer both questions all parts complete to get 100% feedback
or dont attempt please!! Round off to nearest whole numbers.
The mean incubation time of fertilized eggs is 23 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day (a) Determine the 15th percentile for incubation times (6) Determine the incubation times that make up the middle 95% of fertilized eggs. (a) The 15th percentile for incubation times is days (Round to the nearest...
Answer both question all complete to get 100% feedback!! Find the Z-score such that the area...
Answer both question all complete to get 100% feedback!!
Find the Z-score such that the area under the standard normal curve to the left is 0.52. Click the icon to view a table of areas under the normal curve. is the Z-score such that the area under the curve to the left is 0.52. (Round to two decimal places as needed.) Determine if the following probability experiment represents a binomial experiment A random sample of 15 middle school students is...
Answer all parts complete to get 100% feedback!! Question Help In a recent poll, a random...
Answer all parts complete to get 100% feedback!!
Question Help In a recent poll, a random sample of adults in some country (18 years and older) was asked. When you see an ad empiring that a product is "Made in our country are you more likely to buy less likely to buy or neither more mor less likely to buy? The results of the survey, by age group are presented in the following contingency table Complete parts(a) through Purchase likelihood...
Answer both please or dont attempt. 7.2.31-T Question Help Assume that the random variable X is...
Answer both please or dont attempt.
7.2.31-T Question Help Assume that the random variable X is normally distributed with means and standard deviation 14. Compute the wobability P/S7<Xs69) Bewre to draw a normal curve with the area coresponding to the probability shaded Draw a normal curve with the area corresponding to the probability shaded Choose the corredgraph below. OB a ST 6 576 P157<X509) - (Round to four decimal places as needed) (X 7.2.35-T Assume the random variable X is...
Answer all parts complete to get 100% feedback!! The amount of time adults spend watching television...
Answer all parts complete to get 100% feedback!!
The amount of time adults spend watching television is closely monitored by firms because this helps to determina advert sing pricing for commercials Complete parts (a) through (d) (a) Do you think the variable weekly time spent watching television would be normally distributed? Yes No If not, what shape would you expect the variable to have? O A. The variable weekly time spent watching television is oly skewed let OB. The variable...
Answer all parts complete to get 100% feedback!! There are two parts. Question Help Assume the...
Answer all parts complete to get 100% feedback!! There are two
parts.
Question Help Assume the random variable X is normally distributed with mean 50 and standard deviation 7 Compute the probally Be sure PIX> 39) draw a normal curve with the area corresponding to the probably shaded Click the icon to view a table of areas under the normal curve Which of the following normal curves corresponds to PIX39) ОА, OB OC PX> 39- (Round to four orcimal places...
i need help now please i dont get it. !!! Question Help o Steel rods are...
i need help now please i dont get it.
!!! Question Help o Steel rods are manufactured with a mean length of 25 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.07 cm. Complete parts (a) to (d) (a) What proportion of rods has a length less than 24.9 cm? (Round to four decimal places as needed.) (b) Any rods that are shorter than 24...
1. The average amount parents and children spent per child on back-to-school clothes in Autumn 2010...
1. The average amount parents and children spent per child on back-to-school clothes in Autumn 2010 was $527. Assume the standard deviation is $160 and that the amount spent is normally distributed. What is the probability that the amount spent on a randomly selected child is more than $700? (Round to four decimal places) What is the probability that the amount spent on a randomly selected child is less than $100? (Round to four decimal places) What is the probability...
Answer both questions all parts complete to get 100% feedback
or dont attempt please!! Round off to nearest whole numbers.
The mean incubation time of fertilized eggs is 23 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day (a) Determine the 15th percentile for incubation times (6) Determine the incubation times that make up the middle 95% of fertilized eggs. (a) The 15th percentile for incubation times is days (Round to the nearest...
Answer both question all complete to get 100% feedback!!
Find the Z-score such that the area under the standard normal curve to the left is 0.52. Click the icon to view a table of areas under the normal curve. is the Z-score such that the area under the curve to the left is 0.52. (Round to two decimal places as needed.) Determine if the following probability experiment represents a binomial experiment A random sample of 15 middle school students is...
Answer all parts complete to get 100% feedback!!
Question Help In a recent poll, a random sample of adults in some country (18 years and older) was asked. When you see an ad empiring that a product is "Made in our country are you more likely to buy less likely to buy or neither more mor less likely to buy? The results of the survey, by age group are presented in the following contingency table Complete parts(a) through Purchase likelihood...
Answer both please or dont attempt.
7.2.31-T Question Help Assume that the random variable X is normally distributed with means and standard deviation 14. Compute the wobability P/S7<Xs69) Bewre to draw a normal curve with the area coresponding to the probability shaded Draw a normal curve with the area corresponding to the probability shaded Choose the corredgraph below. OB a ST 6 576 P157<X509) - (Round to four decimal places as needed) (X 7.2.35-T Assume the random variable X is...
Answer all parts complete to get 100% feedback!!
The amount of time adults spend watching television is closely monitored by firms because this helps to determina advert sing pricing for commercials Complete parts (a) through (d) (a) Do you think the variable weekly time spent watching television would be normally distributed? Yes No If not, what shape would you expect the variable to have? O A. The variable weekly time spent watching television is oly skewed let OB. The variable...
Answer all parts complete to get 100% feedback!! There are two
parts.
Question Help Assume the random variable X is normally distributed with mean 50 and standard deviation 7 Compute the probally Be sure PIX> 39) draw a normal curve with the area corresponding to the probably shaded Click the icon to view a table of areas under the normal curve Which of the following normal curves corresponds to PIX39) ОА, OB OC PX> 39- (Round to four orcimal places...
i need help now please i dont get it.
!!! Question Help o Steel rods are manufactured with a mean length of 25 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.07 cm. Complete parts (a) to (d) (a) What proportion of rods has a length less than 24.9 cm? (Round to four decimal places as needed.) (b) Any rods that are shorter than 24...
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