945 Answered Questions for the topic Statistics Question

Statistics Question

09/04/18

ONe card is randomly selected from a stadard 52 card deck. Which of the following gives the probability that the card is a black ace?
Statistics question
Follows • 2
Expert Answers •1
Statistics Question

08/29/18

calculating probalities using a confidence interval of sample size
For a random sample sample of 150 households in a large metropolitan area, the number of households in which at least one adult is currently unemployed and seeking a full time job is 12. Using a... more
Follows • 2
Expert Answers •1
Statistics Question

08/28/18

what is the expected number of correct answers Jason will get on the 12-question quiz?
If he randomly selects responses between the 3 remaining choices for each question, what is the expected number of correct answers Jason will get on the 12-question quiz?
Follows • 1
Expert Answers •1
Statistics Question

08/26/18

20 cars , 7 have defects If I pull 2 randomly what probability 2 have defects?
20 cars, 7 have defects If I pull 2 randomly what probability 2 have defects?
Follows • 1
Expert Answers •1
Statistics Question

08/11/18

what is the probability of spinning all the colors of a 4 color spinner in 5 turns
There are no additional details. There are no additional details. There are no additional details. There are no additional details. 
Follows • 1
Expert Answers •1
Statistics Question

08/11/18

Statistics question
Suppose we are with a real estate agency that hasthe following houses listed in a specific geographicarea. $150,000; $146,000; $152,000; $155,000;$143,000; $157,000; $180,000; $148,000;... more
Follows • 2
Expert Answers •1
Statistics Question

08/03/18

what is the probability of getting a total of 7 or 11, if two dice are rolled?
statistics course 
Follows • 1
Expert Answers •1
Statistics Question

07/27/18

Normally distributed
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 555 and standard deviation 79.Gerald takes the ACT Assessment... more
Follows • 1
Expert Answers •1
Statistics Question

07/27/18

Normally distributed
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 555 and standard deviation 79.Gerald takes the ACT Assessment... more
Follows • 1
Expert Answers •1
Statistics Question Math Algebra 1 Algebra 2

07/26/18

Is this question is a combination or a permutations? and how to solve it step by step ?
How many licence plates of three symbols (letters and digits) can be made using at least one letter in each? 
Follows • 3
Expert Answers •2
Statistics Question

07/23/18

What is the z score of x=9, if 9 is 1.5 standard deviations to the left of the mean?
I would like some help with this question and explanation.  
Follows • 2
Expert Answers •1
Statistics Question

07/18/18

usual and unusual values
A certain group of test subjects had pulse rates with a mean of 80.580.5 beats per minute and a standard deviation of 10.510.5 beats per minute. Would it be unusual for one of the test subjects to... more
Follows • 2
Expert Answers •1
Statistics Question

07/18/18

Normal Distribution
How do I tell if my data is normally distributed looking at my data on the Shapiro-Wilk output?   Male: Statistic: .966 df: 14 Sig. .822   Female: Statistic: .912 df: 14 Sig:... more
Follows • 2
Expert Answers •1
Statistics Question

07/18/18

independent t test
Which of the following is always true regarding the relationship between the one- and two-tailed significance tests? Select all that are true.Question 10 options:If the two-tailed test is... more
Follows • 2
Expert Answers •1
Statistics Question

07/18/18

independent sample t test
A 95% confidence interval for the difference of means is calculated to be -1.23 to -0.33. What conclusion can be made? Select all that are true.Question 9 options:The two group means are equal.The... more
Follows • 2
Expert Answers •1
Statistics Question

07/18/18

The combined standard deviation of the groups’ data, as if it were not separated into to different groups is called the
The combined standard deviation of the groups’ data, as if it were not separated into to different groups is called the: standard errorpooled standard deviationaverage errorpooled standard error
Follows • 2
Expert Answers •1
Statistics Question

07/15/18

discount depend of product quantity
let's say we make business, we sell products, but if anyone buys more we will discount more, let's say if we sell 5000 product 2$ for each, and we sell 1000000 by 0.35$ for each, can anyone give me... more
Follows • 2
Expert Answers •1
Statistics Question

07/14/18

10% of the nylon bags produced by a machine are defective. Find the probability to have 4 defective bags at least out of 5 bags chosen randomly.
Statistic
Follows • 2
Expert Answers •1
Statistics Question Statistics

07/13/18

Find the test statistic and the p-value.
Independent random samples, each containing 70 observations, were selected from two populations. The samples from populations 1 and 2 produced 59 and 49 successes, respectively. Test H0:(p1−p2)=0... more
Follows • 2
Expert Answers •2
Statistics Question Statistics

07/13/18

state the null and alternative hypothesis, find the test statistic.
In a study of red/green color blindness, 1000 men and 2850 women are randomly selected and tested. Among the men, 90 have red/green color blindness. Among the women, 8 have red/green color... more
Follows • 2
Expert Answers •1
Statistics Question Statistics

07/13/18

State the null and alternate hypotheses and find the degree of freedom.
Sue thinks that there is a difference in quality of life between rural and urban living. She collects information from obituaries in newspapers from urban and rural towns in Idaho to see if there... more
Follows • 2
Expert Answers •2
Statistics Question Statistics

07/11/18

soda cans have volumes of 13.39oz & a std dev of 0.12oz What is min. usual value
 statistics
Follows • 2
Expert Answers •1
Statistics Question Statistics Probability

07/10/18

probability question help please!!!
Four cards are drawn from a standard deck. No cards are returned.a) Which is more likely:Event A: drawing a straight (four consecutive cards e.g. 5, 6, 7, 8), orEvent B: drawing four consecutive... more
Follows • 2
Expert Answers •1
Statistics Question

07/07/18

3) It is common for car insurance companies to charge higher premiums for younger drivers. Younger drivers tend to earn less income than older drivers on avera
3) It is common for car insurance companies to charge higher premiums for younger drivers. Younger drivers tend to earn less income than older drivers on average. So why are younger drivers... more
Follows • 1
Expert Answers •1
Statistics Question

07/05/18

Word problem
For the following data:   0.1   2.5.  2.6.  5.1   5.3.  6.7.  7.1 7.3.  7.5.  7.5.  8.9.  9.9.  10.1.  11.3 11.7.  12.5.  12.8.  14.1.  15.0.  17.5.  18.9 19.8.  21.7. 24.4.  24.9   a.... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.