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Q: Suppose that the price per pound of apples is normally distributed with o = $0.45 per pound. Find…

A: We have given that  Population standard deviation = 0.45 Margin of error =E= 0.05 99% confidence…

Q: A box of sugar is 5 inches by 3 inches by 6.5 inches. 2.1 Estimate about how much cardboard the box…

A: Let length of the box be L=6.5 inches. Let the width of the box be W=5 inches. Legth the height of…

Q: find the z scores probability  1- left area of z score 1.23  2- area between -2 and 2 3-  right…

A: We have to find given probability..

Q: Claim: The proportion of people who smoke is equal to 0.19. Identify a Type I error for the claim…

A: Type I error : P(Reject Ho | Ho is true)

Q: m one sample of 8 observations the sum of the squares of deviations of the sample values from the…

A:

Q: Ex8: Assume that the current measurements in a strip of wire follow a normal distribution with a…

A: Assume that the current measurements in a strip of wire follow a normal distribution.

Q: Area to the left of-2.821 under a t distribution with 9 degrees of freedom

A: t distribution is a distribution similar to normal distribution. t distributed is bell shaped but…

Q: Where are the deer? Random samples of square-kilometer plots were taken in different ecological…

A: Given Deer counts per square km.

Q: Find the area above 27 for a N(15,5) distribution.

A:

Q: find out the probability for given z score  data area of the left of -2.5 area between -1.3698 and…

A:

Q: C is wrong can you walk me through how to do the chi-square table. this is a statistics class

A: Given that T follows a gamma distribution i.e

Q: B. C DX Days wit ne Pfizer Moderna 3 Count Mean Median DEVSQ(SS) VAR.S (s') STDEV.S (s) T.TEST 636…

A: Formulating Hypothesis : Null : There is no difference between the two samples Alternate : There is…

Q: 32 57° X = 58.8, y = 38.2 b. x= 17.4, y z 26.8 a. * × 38.2, y = 58.8 * 26.8, y = 17.4 C. d.

A:

Q: r2 = t2 /t2+df = ( 3.569)^2 / ( 3.569)^2+16 =0.4432 = 44.32%   Present in a bar chart the difference…

A: The mean values for the two experimental conditions are;

Q: Y: Y₁: Y2: Y3: X Y 1 1 1 5 6 6 5 5 2 6 7 7 1 1 222 2 2 3 3 3 3 3 Sums A MSB: MSW: F: 99 6 6 7 8 8…

A: The one-way ANOVA is used to determine the mean significance between the difference groups. It…

Q: For mesokurtic distribution, the first moment about 7 is 23 and the second moment about origin is…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given that.   X~N( μ , ?^2 )   μ=242     , ?=60 , n=49   Z-score =( x - μ )/?

Q: Assume that the average home price in the U.S. is µ = $292,700 with o = $60,000. A local real estate…

A: Hypothesis: The null and alternative hypotheses are below: H0: μ=292,700H1: μ>292,700 The test…

Q: Company Size Social Media Use Small Medium Large Yes 78 42 23 No 26 37 22 What is the calculated…

A: Observed values with marginal totals:

Q: Q3. Calculate Estimated Standard error (S»)from the following data:_ 3 4 5 2 y 3 4 5

A: Regression:   Regression is a technique that is used to determine relationship between two or more…

Q: find the z scores probability  1- left area of z score 1.2345  2- area between -2 and 1.1925

A:

Q: O E. Ho: H270 %3D the administrator's claim that the mean score for the state's eighth graders on…

A:

Q: A large automobile insurance company selected samples of single and married male policyholders and…

A: Two-Proportion Z-test: It is the hypothesis test done when there is two proportion that is compared…

Q: Find the z-scores for which 40% of the distribution's area lies between -z and z. Click to view page…

A: Sketch the normal curve and shade the approximate area of 0.40 between Z=-z and Z=z.

Q: please find the area  of z score between -2.15 and 2.1395  also draw shaded area  ...

A: We havebto find given probability...

Q: What is the type of the variable "The barcode of items displayed in a supermarket"? O a.…

A: Given that  What is the type of the variable "The barcode of items displayed in a supermarket"?   a.…

Q: The diagram below shows a rectangle with a shaded region. 3m What is the area. In square meters, of…

A: We can see that from figure.Length of rectangle=9mBreath of rectangle=3mHeight of triangle=3mBase of…

Q: in Find the z-scores for which 82% of the distribution's area lies between -z and z. Click to vieww…

A: From the given information, It has been given that, P (-z<Z<z) = 0.82 Thus, z values can be…

Q: To test a subject's ability to estimate sizes, he was shown 10 different objects and was asked to…

A: Here we’ve to test whether there is a significant difference between the means of estimated and…

Q: Diotrbuto of f students colleye ages 215 6=3 Sample n= 36 probabi lity f what is 8 average age…

A: Since the sample size is greater than 30, According to the central limit theorem (CLT), the…

Q: The largest error occurs when p =

A: We know that margin of error in confidence interval is,  E = Zα2 × p×(1-p)n  Where n= sample size…

Q: Estimate Soxe*dx using four right-hand rectangles. O-53002.8 O-26501.4 O26501.4 O 53002.8

A:

Q: When is the unexplained variation (that is, error sum of squares) equal to 0? Choose the correct…

A: The error sum of squares is equal to zero when,

Q: Use a chi-square test for independence to compare the proportion of males and females (sex) that…

A:

Q: Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o=16 days.…

A: Note: I will answer part b as some information is missing in the part a question, please submit…

Q: Find the area below 47 for a N(60,10) distribution.

A:

Q: A large automobile insurance company selected samples of single and married male policyholders and…

A: a)   Denote p1, p2 as the true population claim rates of single and married policyholders,…