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when a dime is tossed 3 times eight likely outcomes are possible. let a=event the first toss is heads, b=third toss is tails and c=event the total number is one

compute P(C/A) and are A and C independent events and why?

how to construct a histogram and percentage polygon

how do i do this given a set of data in excel

how to find the true population mean or population proportion in continuous probability distribution?

create a new worksheet on excel document and create worksheet probability depending on major assignment the population mean for goals scored by FIFA soccer player

College Women/ Mothers Height Question

Are college women are taller on average than their mothers. The results (in inches) were as follows: Pair             1 ...

How can I find the least-square regression line?

If I was given this data how can I find the least squares regression line:   x = 21   y= 78   sx = 1.5   sy= 0.8   r=0.81

What is the minimum "usual" value equal beats per minute?

A certain group of tests subject had pulse rates with a mean of 77.1 beats per minute and standard deviation of 12.6 beats per minute. Would it be unusual for one of the test subjects to have a pulse...

Find the marginal distribution of age group

Age group 15 to 19 years, 2124 Females and 1876 Males

If a stemplot showed the following numbers of pizza pieces eaten by a contestants:

08, 17, 19, 25, 27, 29, 30, 32, 35, 37, 39, 39, 41, 42, 46, 53, 57, 63 What percent of contestants ate more than 50 pieces of pizza?

SAT Math scores have a Normal Distribution N(515, 114).

If a student wants a score in the top 20% of SAT Math scores, he must score at least ____________.

The test scores are normally distributed with a mean of 100 and a standard deviation of 15.  If Tom's standardized score is 1.23, what was his approximate score on the test?  Round to the...

normal distribution that has a mean of 100,

A. For a normal distribution that has a mean of 100, and a standard deviation of 8, determine the Z-score for each of the following X values: 1 B. Use the information in 1 A. to determine the...

Joint Probability: Let P(A) = .3, P(B) = .4 and P( A U B ) = .7 a. What is the joint probability of A and B? b. Find the probability of the complement of A.

How would I go about answering these questions? Also, how do you differentiate between solving them as a dependent or an independent event?   Let P(A) = .3, P(B) = .4 and P( A ∪ B...

When do you use the formulas of the Coefficient of Variation?

When do you use the formulas of the Coefficient of Variation? Can you set an example to justify your answer?

Statistics Questions

1. How do you solve for median if the given data is even? For example: 3,1,2,3,1,1 (these given data is even.) 2. When do you use the formula n+1/2 (for odd number) and n+2/2 (for even...

Find the slope and the y-intercept for the line that passes through (-7,-12) (3,12)

Find the slope and the y-intercept for the line that passes through (-7,-12) (3,12)

The following were the grades obtained by 50 medical stds in their practicum in 1978. GRADE 1 2 3 4 5 6 7 8 9 FREQUENCY 4 8 7 12 4 9 3 1 2

The following were the grades obtained by 50 medical stds in their practicum in 1978. FREQUENCY    GRADE 4                            ...

Find the value of x so that the area under the normal curve is between...

EDIT: μ = 200 and σ = 25.   1. Find the value of x so that the area under the normal curve between μ and x is .4525 and the value of x is less than μ.   2...

Test the hypothesis that the mean days of recovery is not different among treatment types at a = 0.01.

Pill          3.9   1.4   4.1     5.5   2.3 Syrup      5.4    ...

Statistics questions

The mean incubation time for a type of fertilized egg is 19 days.  Suppose the incubation times are approximately normally distrubuted with a standard deviation of 1 day. What is the probability...

.relationship between hours studied to the test scores. predict the test score if a student studied 4.5 hours. s.

Hours Studied     Test Score   135.8                      6167       ...