Find the variance of the binomial distribution for which n= 900 and p 0.89. I

Q: ume that x has a normal distribution with a-26%. A random sample of 17 Australian bank has a sample…

A: The question is about hypothesis testingGiven :Population mean dividend yield (  ) = 6.5 %…

Q: nd mean and standard deviation if n and p are 10 and 0.2 respectively.

A:

Q: Using table below, find the variance for  licensed dogs per household in this county? Please show…

A: X012345P(X=x)0.590.110.090.070.02

Q: the correction factor (n-1) applied to variance calculations is in order to_ Land we take the square…

A: Solution A correct factor is applied in the calculation of variance.

Q: A random sample of size 16 was collected which gave the sample mean of 7 and a sample variance of…

A: Given that the population mean is unknown i.e. μ. The population variance is σ2=8. The sample mean…

Q: Use the given mean and standard deviation to fill in the boxes. The first row represents the…

A: Given that  Population mean =42 Population standard deviation =10 Sample size n =16

Q: A sample of n = 4 scores has SS = 60. Which is the variance for this sample? Group of answer choices…

A: Given N=4 SS=60

Q: Find the F-test statistic to test the claim that the population variances are equal. Both…

A: Given: Two populations are normally distributed. Standard deviation of first sample 2.8454. Standard…

Q: Sample X has a size of 6 and a variance of 2.3. Sample Y has a size of 10 and a variance of 0.6.…

A:

Q: The average exam score is 66 with a variance of 20.  Your exam has a Z score of 0.12. What is your…

A: The z score indicates how many standard deviations that a data points away from the mean. It can be…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A:

Q: Assume thAt scores on a standardized test are known to follow a bell shaped distribution with a mean…

A: L

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A:

Q: : X1 195 210 260 330 X2 301 250 375 390 •Find the variance and standard deviation for X1 and X2…

A: Table for sample ( x1)  Observation: X1X1 X1^2X122 1 195 38025 2 210 44100 3 260 67600 4…

Q: Suppose that the random variable X measures the number of hot dogs purchased in a food court in an…

A: CorX,Y=0.75VX=VY=36W=2X+3Y

Q: endard deviation of th

A: We have to find the F test statistic to test the claim that the variances of the two populations are…

Q: Assume that the data has a normal distribution and the number of observation is greater than fifty.…

A: Significance level (alpha) = 0.09 We know that,  If x is random variable from standard normal…

Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…

A: Given:  Consider X as a random variable that follows a normal distribution with mean 22 and…

Q: les are binomial. If values are not found in the binomial distribution table, use the binomial…

A: Given: n=300,p=25% = 0.25 The mean of number of accidents caused by bad weather is:

Q: About 75​% of all female heart transplant patients will survive for at least 3 years. Sixty female…

A: The population proportion, p=0.75 and sample proportion, p^=0.75. The sample of 60 female patients…

Q: Suppose that X has a discrete uniform distribution on the integers 0 through 5. Determine the mean,…

A:

Q: The sum of the squared deviation scores is SS = 20 for a sample of n = 6 scores. What is the…

A: The variance of the sample can be calculated as:

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard…

A:

Q: Students at a local high school were randomly selected to participate in a math fluency program. The…

A: The confidence interval at 100 (1 – α) % confidence level gives us an interval estimate about the…

Q: A study of blood samples of 64 men shows a mean count of 5 million RBC per cubic ml., with a…

A: From the provided information, Mean of women (µ) = 4.5   Variance (σ2) = 0.13

Q: The average exam score is 63 with a variance of 33.  Your exam has a Z score of 0.96. What is your…

A:

Q: As the n and number of samples you take increases, so does the mean none of the above accuracy…

A: Statistics is the branch of applied Mathematics in which we do collection, analysis, interpretation…

Q: Find the F-test statistic to test the claim that the variances of the two populations are equal.…

A: Sample 1 S.D= s₁ = 2.1461 Sample 2 S.D= s₂ = 2.5122

Q: The first three moments of a distribution about the value 2 of.the variable are 1, 16 and – 40. Show…

A:

Q: Find the F-test statistic to test the claim that the variances of the two populations are equal.…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Given information Population mean µ = 100 Standard deviation σ = 20 We have to find the probability…

Q: Use the formula to find the standard error of the distribution of differences in sample means x̅…

A:

Q: If the mean and variance of a binomial distribution with parameters (n,p) are 40 and 30…

A:

Q: Q13. What happens to the standard error of an estimate when the sample size in a random sample SRS)…

A:

Q: Because all Victory bus passengers do not show up for their reserved seat, the Victory liner sells n…

A: Solution-: Given:  We find, a) Find the probability that Victory liner departs with empty seats b)…

Q: Suppose we are given a sample of 60 observations from a distribution whose mean is 0 and variance is…

A: The sample size n is 60, the mean is 0 and the variance is 3/5.

Q: Assume x is normally distributed with mean 1 and  variance 2 .what is prob (X2) ? 1 0.2090 2…

A: It was stated to assume that X is normally distributed. The mean is 1. The variance is 2. In…

Q: The director of research and development is testing a new drug. She wants to know if there is…

A: Solution: State the hypotheses. Null hypothesis: H0: µ≤312 That is, the mean time the drug stayed in…

Q: Q4 The time required for all cross-country skiers to complete a race has a normal  distribution…

A:

Q: classes 10- 20- 30- 40- 50-60 frequency 4 Q11:For above distribution table find the variance and the…

A:

Q: Variance is the average of Select one: a. squared diviations b. absolute deviations c. rooted…

A:

Q: Let X = number of miles a family travels for summer vacation. X follows a normal distribution with a…

A:

Q: Determine the appropriate z or t alpha value and calculate the error bound for the mean.

A: From the previous calculation we have  Sample size (n) = 40Sample mean (x̅) = 233067.5Standard…

Q: Create a column of numbers going from 0 to 30. in binomial distrubution with n=30 and p=0.5.…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…