A restaurant is offering a 5-course meal with 3 choices for an appetizer, 6 choices of pasta, 2 choices for a salad, 4 choices for the main course and 5 choices for dessert. How many different meals...

A restaurant is offering a 5-course meal with 3 choices for an appetizer, 6 choices of pasta, 2 choices for a salad, 4 choices for the main course and 5 choices for dessert. How many different meals...

The length X of salmon in a river has normal distribution with mean μ = 17 inches and standard deviation σ = 4 inches. What percent of the salmon in the river are between 9 inches...

Milk cartons are filled by a machine. The mean volume of a carton of milk is μ = 1.0 quart and the standard deviation is σ = 0.06 quart. Assume that the volume of milk in the cartons is normally distributed...

The heights distribution of a population is assumed to be normal, with mean height μ = 66.5 inches, and the standard deviation height σ = 2.4 inches. What is the percentage of people...

A battery manufacturer tests a sample of 100 of their AA batteries to see how much power they can provide. They use the batteries 2 at a time to power a portable CD player and determine how long...

A soccer team of 11 players has to be selected from a group of 19 players. How many different teams are possible? A committee of 4 has to be formed out of a group of...

Three scholarships (of DIFFERENT values) have to be given to 3 applicants out of a group of 23 applicants. How many possible ways you can select these awardees? ANSWER?: Scholarship...

Confidence Interval (1) When constructing a confidence interval estimate of the population mean μ, how do you decide between the normal distribution and Student t distribution...

41 dogs were in a shelter for 10 months, with a standard deviation of 4.6 months before finding a home. find a 95% confidence interval to estimate the number of months the dogs were in a shelter....

Let X be the random variable with mean μ and standard deviation σ>0 and X*=(x-μ) /σ. Then Var(X*) is A. σ B. σ² C. √σ D. 1

If the correlation between X and Y is 0.3 what is the correlation between (2x+3)/5 and (4Y+7)/11??? A.0.3 B.0.3/5×11 C.2×4×0.3/5×11 D.none

It’s a math question so that I can graduate and tbh I basically never was g in school and this is on an assignment that if I do well on it I can graduate and get into the automotive trade like I had...

Consider the Paired observation on (X,Y):(0,0),(1,2),(2,3),(3,5) and (5,7). A regression line of the form Y= b+aX is to be fitted based on the observations by the least square method.The least...

The random variable X and Y have joint distribution P (X=i, Y=j) =c(i+j), for i=0,1 ;j=1,2,3 The value of c is A. 1/6 B. 1/9 C. 1/12 D. 1/15

Suppose X~ binomial (n, p). Then cov(X, n-X) is A. np(1-p) B.-np(1-p) C. np(1-p)² D.-np(1-p)²

The random variable X and Y have joint distribution P(X=i, Y=j) =c(i+j), for i =0,1 ; j=1,2,3. (i) 1/6 (ii) 1/9 (iii) 1/12 (iv) 1/15

I have two sets of customers A and B and I measure satisfaction score based on their response to the questionnaire. I need help with the following calculation. I have 1 million customers in...

14. A researcher studied the relationship between familiarity of certain unusual words and the time participant took to indicate whether the word is singular or plural. Participants rated their familiarity...

Toss a coin 5 times. What is the probability that there are exactly 2 Heads and 3 tails? Five men and three women applied for 2 scholarships. What is the probability that both the winners will...

Plz help me .it it a tricky question and I want to know the answer and method of solving.

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