A YouTuber can expect to earn between 50 to 80 pesos per 1,000 views at 95% confidence level. Assuming that the YouTubers' earnings follow a normal distribution, find the value of the standard error. A 8.45 (B 15.00 6.35 7.65

Q: The summer monsoon rains bring 80% of India's rainfall and are essential for the country's…

A:

Q: The distribution of the lengths of a commercially caught fish is bell-shaped with mean 24 cm and…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: A distribution of measurements is relatively mound-shaped with a mean of 60 and a standard deviation…

A: From the provided information, Mean (µ) = 60 Standard deviation (σ) = 14

Q: The amount of time students study for a test is normally distributed with a mean of 3 hours and a…

A: Mean=μ=3Standard.deviation=σ=1.8Samplesize=n=30

Q: The mean body mass index (BMI) for boys age 12 is 23.6 kg/m2. An investigator wants to test if the…

A: Given  detect a difference in BMI of 2 kg/m2 standard deviation in BMI is 5.7 kg/m2.   Asume that…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.4 and a standard…

A: Given that,

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.6 and a standard…

A: Let 'X' be the random variable representing IQ scores. According to the given information,…

Q: The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15…

A:

Q: If a set of data has a mean of 50 and a standard deviation of 4.5, what is the z-score for a value…

A: If a set of data has a mean of 50 and the standard deviation of 4.5. We have to find the z-score for…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: A group of adult males has foot lengths with a mean of 27.78 cm and a standard deviation of 1.36 cm.…

A: In this problem, we are given information about the foot lengths of a group of adult males,…

Q: Use the range rule of thumb to estimate the standard deviation. Round results to the first decimal.…

A: As a rule of thumb we estimate standard deviation of a population by one-forth of the range of the…

Q: A computer repairer believes that the mean repair cost is more than $95. To test this claim, you…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: The first quartile is. (Type an integer or decimal rounded to one decimal place as needed.)

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.2 and a standard…

Q: The annual income for a sample of 450 part-time students is normally distributed with a mean income…

A: Given that.   X~N( μ , ?)   μ=31000 , ?=3000   Z-score =( x - μ )/?

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: mean=145.2cm S.D=2.2cm

Q: professor at a local university finds that the mean exam grade for her students is 73 with a…

A: A professor at a local university finds that the mean exam grade for her students is 73 with a…

Q: A set of data is normally distributed with a mean of 40 and a standard deviation of 5. a) Find the…

A: We are given :  1. Mean = μ= 40 2. Standard deviation =σ =  5   We will use the formula for z-score…

Q: Please answer this question with details on how to do it. Thank you.  9.) An average light bulb…

A:

Q: What​ women's height corresponds to a​ z-score of −1.80​? b. Professional basketball player Evelyn…

A: It is given that For men, mean = 64, and SD = 2.5 For women, mean = 73, and SD = 2

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: A group of adult males has foot lengths with a mean of 27.94 cm and a standard deviation of 1.27 cm.…

A: From the provided information,

Q: Assume that​ women's heights have a distribution that is symmetric and​ unimodal, with a mean of 67…

A: The following information has been given: The mean of women's height is μw=67 The standard deviation…

Q: Assume that adults have IQ scores that normally distributed with a mean of 99.2 and a standard…

A: Given that  X~Normal(μ=99.2 , σ=24.2) If X follows normal distribution then formula for first…

Q: A random sample of 43 cars in the drive-thru of a popular fast-food restaurant revealed an average…

A: given data n = 43x¯ = 19.65σ = 5.7696% ci for μ = ?

Q: A researcher claims that the stomachs of blue crabs from Location A contain more fish than the…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A group of adult males has foot lengths with a mean of 28.07 cm and a standard deviation of 1.42 cm.…

A:

Q: The length of time, L hours, that a phone will work before it needs charging is normally distributed…

A: The length of time that a phone will work before it needs charging is normally distributed with  Let…

Q: Use the display of data to find the standard deviation (do not round until the final answer, then…

A:

Q: A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are…

A: The question is about probability distribution.Given :Mean length of the bolts ( ) = 13 cmStandard…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.1 and a standard…

A: Let "X" be the IQ scores of adults. Use excel formula "=NORM.S.INV(0.25)" to find the z-score.…

Q: Assume that​ women's heights have a distribution that is symmetric and​ unimodal, with a mean of 64…

A: As per the multiple questions rule, answering first question. Please repost the second question…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 102.3 and a standard…

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

Q: The sick-leave time of employees in a firm in a month is normally with a f 100 hours and a standard…

A: Given  Mean (mu) = 100 hours Standard deviation = s= 20 hours

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard…

A: Let X denote the IQ scores of adults. Given that X follows N(mean = 103.6, SD = 22.7), then Z = (X -…

Q: As a group, the Dutch are among the tallest people in the world. The average Dutch man is 184 cm…

A: For the distribution of the height of Dutchmen (which is specified to be approximately normally…

Q: Trucks in a delivery fleet travel a mean of 100100 miles per day with a standard deviation of 3535…

A: The objective of this question is to find the probability that a truck drives less than 148 miles in…

Q: decimal places as needed.)

A: According to the scenario, it is assumed that adults have IQ scores that are normally distributed…

Q: A computer scientist estimates that the proportion of users that properly back up their data is p =…

A: Given data,n=380 usersp=0.304Find the mean and standard deviation of sample proportion?

Q: Assume that blood pressure readings are normally distributed with a mean of 122 and a standard…

A: Note: Please repost other question only i can author only one question as per my policy. Given…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let X be the length of the rods. Here, X is normally distributed with mean, μ=114.5 cm and standard…

Q: A soft drink machine outputs a mean of 29 ounces per cup. The machine's output is normally…

A: given data normal distributionμ = 29σ = 4P(25<x<31) = ?