Considere la siguiente ecuacion 1.97(0.01) y 3 243(+3) Resuelva la equacion e incluya la desviacion estandar en parentesis

Q: In a multiple-choice examination in Chemistry, students Mae and Julie received scores of 82 and 65,…

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

Q: A quiz consists of 20 true or false questions. If the student guesses on each question what is the…

A: Solution: Let X be the number of correct answers and n be the number of questions. Since the…

Q: A student obtained the mean and standard deviation of 100 observations as 40 and 5.1 respectively.…

A: The original mean is 40 and original standard deviation is 5.1 Student wrongly copied one…

Q: A racing car is one of the many toys manufactured by Mack Corporation. The assembly times for this…

A: Mean()=55standard deviation()=4The company closes at 5 P.M every day

Q: A population has a mean of u = 50 and a standard deviation of o = 10. a. If 3 points were added to…

A: A population has a mean of μ= 50 and a standard deviation of σ = 10.

Q: Find the mean and standard deviation for the number of girls in groups of 14 births when p = 0.5* O…

A: Given that ,  n=14  and p= 0.5  i.e. q=1-p = 1-0.5 = 0.5 We have to find mean and standard deviation…

Q: Solve the following: Given the average age of a man which is 50 years old and has a diabetes with…

A: Provided information is ; Let X be the age  of man Average(μ)=50 years old Standard deviation(σ)=7…

Q: What is the Z value for a value of X = 60?

A:

Q: A statistics professor announces that 15% of the grades he gives are As. The results of the final…

A: It is given that the mean and standard deviation are 83 and 6, respectively.

Q: From a sample with n = 28, the mean number of televisions per household is 2 with a standard…

A: Suppose a random variable x defines the number of televisions per household.

Q: Suppose I collect test data from two different tests, History and Calculus. Suppose the history…

A: Obtain the Z-score for the History class test.Consider the values of history test be denoted by xi,…

Q: Find the standard deviation for the number of girls in groups of 14 births when p = 0.5

A: Binomial probability distribution is a type of discrete probability distribution.

Q: From a sample with n = 32, the mean number of televisions per household is 4 with a standard…

A:

Q: .SOlve for all the parts in the question correctly.   B) According to​ researchers, the mean length…

A: a) It is given that the sample mean is 21.8 and the population standard deviation is 3.0.

Q: A set of data is found to have a sample standard deviation of 25. Suppose 9 were added to each of…

A: Given: s=25 9 is added to each of the values.

Q: b. Find the standard deviation of the reading scores. (Type an integer or a decimal. Round to two…

A: It is given as the data values of the sample are:7, 8, 12, 7, 14, 14, 13, 11, 15, 12, 14, 15.

Q: A student takes a multiple-choice quiz with 5 questions, each with four possible answers and only…

A: Given that  Number of questions (n) = 5 Each question has 4 possible answers and one of them is…

Q: A population has a mean of u deviation of o = 10. a. If 3 points were added to every score in the…

A: (a) The population has mean 50 and population standard deviation 10. Calculation: If n points added…

Q: day. Which of the following z-scores represents someone who watches 1.5 hours of TV per day? A) z=…

A: It is given that  Mean, μ = 3 Standard deviation, σ = 0.5 Z-Score, Z = ( X - μ )/σ

Q: A population of scores has u=55 and o=15.  if 5 points are subtracted from every score in the…

A: The given data is μ = 55σ = 15 Suppose x1, x2, x3, x4, ..., xn are the data points…

Q: ith a mean of 110 and standard dev. of 15, find the 3 unique deviations to the left and right of the…

A: Deviations to the left   i) One standard deviation away from mean x = u - s x = 110 - 15 = 95   ii)…

Q: From a sample with n=32, the mean number of televisions per household is 2 with a standard deviation…

A: Given n=32 Mean =2 Standard deviation=1

Q: A different investor decides to invest $8000 in Fund A and $3000 in Fund B. Assuming the amounts…

A: Here's how to proceed:### 1. Investment DetailsYou've mentioned investments of $8000 in Fund A and…

Q: From a sample with n = 16, the mean number of televisions per household is 4 with a standard…

A: Chebyshev's theorem and empirical rule are used to calculate the percentages of data lies within…

Q: A quiz consists of 20 multiple choice questions, each with five possible answers, only one of which…

A: Given,Sample size (n) = 20P = probability of correct answerX = no. of correct answersSo, P=15   ∵…

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 238 cm.…

A: Solution

Q: John finds that there is a scholarship available to all persons scoring in the top 5 % on the ACT…

A:

Q: A teacher says that the top 20​% of the class received an A on the last test. The scores were…

A: Obtain the minimum score required to get on A. The minimum score needed to get A and the top 20% of…

Q: In a multiple-choice examination in Chemistry, students Mikasa and Jean received scores of 82 and…

A: Given problem Given that   In a multiple-choice examination in Chemistry, students Mikasa and Jean…

Q: Suppose that the average income of the engineers hired at REDUNO presents an approximately normal…

A: Solution-: Given: μ=17000, σ=3000 We want to find, (a) P(the employees will have incomes greater…

Q: From a sample with n = 12, the mean number of televisions per household is 2 with a standard…

A: Given n=12 Standard deviations=1

Q: A statistics professor announces that 15% of the grades he gives are As.  The results of the final…

A: Solution:From the given information, mean score is 83, standard deviation is 6. The fifteen…