If the weight (in pounds) of fish in my pond is normally distributed with mean 8 and standard deviation 2, what is the probability (to 4 decimal place accuracy) that an INDEPENDENT RANDOM SAMPLE of 4 selected fish in my pond has mean weight between 7 and 8 pounds? Use Table A.3 in your textbook to calculate the answer to four decimal place accuracy. O NONE OF THE OTHERS O .3413 O .8414 O .5000 .1587

Q: An adventure company runs two obstacle courses, Fundash and Coolsprint, with similar designs. Since…

A: From the provided information,

Q: Give an example of a reel experiment for the bernoulli distribution. Write down the sample space for…

A: A Bernoulli distribution must have identical trials.  The probability of success in each trial…

Q: Seventy-seven percent of adults in a certain country believe that life on other planets is…

A:

Q: Six percent of U.S. employees who are late for work blame oversleeping. You randomly select four…

A:

Q: Sixty-three percent of adults in a certain country believe that life on other planets is plausible.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: How do you determine the values of a random variable?

A: A random variable is a numerical description of the outcome of a statistical experiment. A random…

Q: How does the increase of sample size result in a decrease of the probability ifType 2 error?

A: The objective of the question is to understand the relationship between sample size and the…

Q: Describe how calculating probability for continuous random variables is different than calculating…

A: Calculating probability for continuous random variables is different than calculating probability…

Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

A: According to the range rule of thumb  not significant (unusual) values are values that are more than…

Q: Using a balanced coin, for an experiment with 3 tosses. X is the random variable that assume the…

A: It is given that the balance coin for an experiment with 3 tosses. The sample space is S = {HHH,…

Q: Why is probability theory important to statistics?

A: The probability of an event:The probability of an event is obtained as the ratio of favourable…

Q: The sampling distribution of the mean calculated from a sample of n measurements is the probability…

A: Sampling distribution : Sampling distribution can also known as a probability distribution of the…

Q: Information from the American Institute of Insurance Indicates the mean amount of life insurance per…

A: It is given that the distribution follows the normal distribution.The mean is The sample size is The…

Q: each score in a random sampling distribution represents what

A: We have given that  We have to define each score in a random sampling distribution :

Q: 65% of U.S. adults think that political correctness is a problem in America today. You randomly…

A: Given that  Success of probability p =0.65 Number of trials n=6 X~binomial ( n , p) NOTE:- According…

Q: The expected value of a random variable can be thought of as  A. sample mean of outcomes in a…

A: Th expected value of a random variable can be thought of as the weighted mean of possible outcomes,…

Q: Thirteen percent of U.S. employees who are late for work blame oversleeping. You randomly select…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: 32% of likely U.S. voters think that the federal government should get more involved in fighting…

A: It is given that n = 6 and p =0.32.

Q: Historical data show that 20% of college students prefer Facebook to Instagram. A sample of 10…

A: X = the number of students from the sample who prefer Facebook The mean of the binomial…

Q: How do you do a binomial distribution?

A: Binomial Distribution: The Binomial distribution is useful if the experiment has two outcomes…

Q: What is the variance of a binomial distribution in which the number of trials n = 100 and the…

A: The variance of the probability distribution is given by: VarX=npq Where n is the number of…

Q: (b) If the mean of a random variable X is 40, what will be the mean of the sampling distribution of…

A:

Q: Using a balanced coin, for an experiment with 3 tosses. X is the random variable that assume the…

A:

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: A normally distributed random variable has a mean of 140 and a variance of 2575. What is the…

A: μ = 140σ2=2575→σ = 2575 = 50.74

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.