# ststistics

11 results

### ststistics

what is the main different of ststistics and maths

### college ststistics

given x =237 u =2.00 and s=12.3 find z

### college ststistics

find area under the standard normal curve A). p(z>0.58) B. p(-1.10<z<0)C. P(-1.60>=<z<2.09)

### college ststistics

given x is a noramlly distributed random variable with a mean of 28 and a sd of 7 find p(x<28)

### statistics

give an example of an article that shows the chi-square assumption method of ststistics

### ststistics

A sample of 3000 observations has a mean of 86 and a standard deviation of 13. The distribution is bell-shaped. Using the empirical rule, find what percentage of the observations fall in the intervals

### ststistics

each tire of an 18 wheeler has a probability of 5% TO maintain on a 10000 mile trip. WhAt is the probability that no more than 3 tires need maintenance during this trip. How do i do this?

### Statistics

Ive downloaded 3 journal articles, i just neeed someone to help me identify the ststistical procedures used in each articles Can somebody who knows ststistics plesse help me... How do u want to read theses 3 short journsl articles? Plesse i beg u

### ststistics

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of means of ...

### college ststistics

A. find the binomial probability p(x=5) where n=14 and p=0.30. B. setup without solving the binomial probability p(x is at most 5) using probability notation C. how would you find normal approximation to the binomial probability p(x=5) in part A. please show how you would ...

### ststistics

24% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because...

1. 1