Production average of an agricultural enterprise for product A is 40 g and its standard deviation is 10 g are known to be and show normal distribution. According to this;

Q: The length of a movie file that is available for streaming is modeled using the normal distribution…

A: Let X be the random variable from normal distribution with mean (μ) = 190.3 and standard deviation…

Q: Suppose data X1, ..., Хп, п> 30 are sampled from the population. According to central limit theorem,…

A: We want to tell you above statement is true or false

Q: time that a customer takes to complete a transaction in the business line at the bank follows a…

A: Above how many minutes will 20% of the customers spend in completing atransaction?

Q: The pregnancy length in days for a population of new mothers can be approximated by a normal…

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Q: A distribution has a population mean of 10.5 and a population standard deviation of 3.5. If X is a…

A: Introduction: It is required to find the value of X for it's given z-value or z-score, under the…

Q: The distribution of grades in a final exam conforms to the normal distribution with an average of 60…

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Q: The test score (X) of the training participants has a normal distribution with an average value of…

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Q: A standard test for diabetes is based on the glucose level X in blood after fasting a prescribed…

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Q: The lifetime of a certain type of t.v tube has a normal distribution with a mean of 80.0 and a…

A: Given Data: Let X represent the random variable   Mean=80 SD=6   X~ Normal (80, 62)

Q: On average, adult males consume 2,111 calories per day, with a standard deviation of 54 calories.…

A: Given Data : Population Mean,μ = 2111 Population Standard Deviation,σ = 54

Q: The time that it takes a driver to react to the brake lights on a decelerating vehicle is critical…

A:

Q: At a local high school, GPA’s are normally distributed with a mean of 2.9 and standard deviation of…

A: Normal distribution in the center is generally denser and basically less dense at the tails. There…

Q: The fill amount in 1​-liter soft drink bottles is normally​ distributed, with a mean of 1.0 liter…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: the patient recovery time from a particular surgical procedure is normally distributed with a mean…

A: Given data,μ=5σ=2P(X>3)=?

Q: sketch a normal curve  a) with mean 15 and standard deviation 2. b) with mean 15 and standard…

A: Note: Please repost remaining questions as i can answer only 3 subparts as per my policy. 4) a)with…

Q: A company sells sunscreen in 400 milliliter (ml) tubes. In fact, the amount of lotion in a tube…

A: From the provided information, Mean (µ) = 396 ml Standard deviation (σ) = 7ml Sample size (n) = 6…

Q: The life of sunshine CD players is normally distributed with mean of 4.9 years and a standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Scores made on a certain aptitude test by nursing students are approximately normally distributed…

A: Given:-   mean(μ) =500variance (σ2) =10000standard deviation(σ) = 10000 =100we have to calculate…

Q: The compressive strength of samples of cement can be modeled by a normal distribution with a mean of…

A: Given X is normal Distributed with mean µ = 6000.0 and standard deviation σ = 100.0 now will using…

Q: An average dry erase marker manufactured by the F&M Corporation lasts 300 days with a standard…

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Q: Assume that X is normally distributed with a mean of 10 and a standard deviation of 2. Determine…

A: It is given that the mean is 10 and the standard deviation is 2.

Q: The typical life of a specific kind of tiny motor is ten years, with a standard variation of two…

A: Let X denote the life span of a motor and it follows normal distribution with mean μ=10, and…

Q: The pregnancy length in days for a population of new mothers can be approximated by a normal…

A: Given data,μ=270σ=12

Q: The mean SAT score in mathematics,u, is 573. The standard deviation of these scores is 49. A special…

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Q: (b) Find the critical value(s) assuming that the population variances are not equal.

A: (b)  Degrees of freedom = min(n1-1, n2-1) = min(12-1, 10-1) = 9

Q: Show that any linear combination of n independent normal variates is also a normal variate.

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Q: The gym which provides the training expects the increase in enrollments in 2022 to be similar to…

A: Given information: μIncrease=13%σIncrease=1.4%Last year's number of enrolles=80,000

Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1400…

A: The Normal distribution which is also known as the Gaussian distribution is a continuous probability…

Q: The elongation of a steel bar under a particular load has been established to be normally…

A: Given : Mean , μ = 0.05 inchStandard deviation, σ = 0.01 inch     (a) above 0.1 inch We have to…

Q: Hens usually begin laying eggs when they are about 6 months old. Young hens tend to lay smaller​…

A: From the provided information, Average weight (µ) = 51.3 grams The desired minimum weight (x) =  52…

Q: The heights of grade 11 students are normally distributed with an average height of grade 11…

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Q: The amounts of electricity bills for all households in a particular city have an approximately…

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Q: The IQ of 1,000 incoming students at University of Bayabas is normally distributed with a mean of…

A: The IQ of 1000 incoming students at university is given normally distributed with mean 103 and…

Q: 1) The laser offset is known to have a normal distribution with population mean of 100 nm and…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 100 and…

Q: The length of time a part lasts after continuous usage follows a Weibull distribution (in hours)…

A: Assume, X be the random variable representing the length of time a part lasts (in hours), which…

Q: The time that it takes a driver to react to the brake lights on a decelerating vehicle is critical…

A:

Q: The length of a movie file that is available for streaming is modeled using the normal distribution…

A:

Q: A random sample of 25 students selected from the student body of a large university had an average…

A: According to the provided information,

Q: The average life of a certain type of small motor is 10 years with a standard deviation of 2 years.…

A: We have given that.   X~N( μ , ?^2 )   μ =10 , ? =2   Z-score =( x - μ )/?

Q: A milk company unconditionally guarantees that an unopened, properly refrigerated container of its…

A: The company's data shows that unopened containers remain fresh on average for 6 days, with a…

Q: The average lifetime of certain type of vehicle is 10 years with a standard deviation of 2 years. To…

A: Given, mean μ= 10 years standard deviation σ = 2 years

Q: Suppose the flow of current (milliamps) in wire strips of a certain type under specified conditions…

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Q: The average number of miles a person drives per day is 24. A researcher wishes to see if people over…

A: The random variable number of miles follows normal distribution. The population mean is 24. We have…

Q: The average cholesterol level for a random sample of 25 adult women is 263 units with a standard…

A: Given: Sample size, n=25 Sample mean,x¯=263Sample standard deviation,s=43Popoulation standard…

Q: The mean life of a certain type of motor is 10 years with a standard deviation of 2 years. Assume…

A: Given problem is normal distribution. Let, X: Life of a certain type of motor  Mean=μ=10 S.D.=σ=2…

Q: Durations of human pregnancies are normally distributed with a mean of 268 days and a standard…

A: From the given information, Mean (µ) =268 Standard deviation (σ) = 15 Sample size (n) =3000 Thus,…

Q: The IQ of 1,000 incoming students at University of Bayabas is normally distributed with a mean of…

A: Given information: The IQ of 1,000 incoming students at University of Bayabas is normally…

Q: The length of time patients must wait to see a doctor at an emergency room in a large hospital is…

A: Given, The length of time patients must wait to see a doctor at an emergency room in a large…