Agroup of statistics students conducted a random sample of 64 students at their college. their findings showed that the sampled students studied an average of 15 hours per week with a standard deviation of 5 hours. what is the value for the standard error of the means?

0.8333

Step-by-step explanation:

Given that a group of statistics students conducted a random sample of 64 students at their college.

Their findings showed that the sampled students studied an average of 15 hours per week with a standard deviation of 5 hours

i.e we have

sample size =

Standard deviation of sample s =

By central limit theorem we have sample mean will follow a normal distribution with mean = sample mean and std error = std deviation /square root of n.

Substitute the values to get

Standard error of means =

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

you.

the most boring ever written

step-by-step explanation:

i am writing something. yes, i plan to make it the most boring thing ever written. i go to the store. a car is parked. many cars are parked or moving. some are blue. some are tan. they have windows. in the store, there are items for sale. these include such things as soap, detergent, magazines, and lettuce. you can enhance your life with these products. soap can be used for bathing, be it in a bathtub or in a shower. apply the soap to your body and rinse. detergent is used to wash clothes. place your dirty clothes into a washing machine and add some detergent as directed on the box. select the appropriate settings on your washing machine and you should be ready to begin. magazines are stapled reading material made with glossy paper, and they cover a wide variety of topics, ranging from news and politics to business and stock market information. some magazines are concerned with more recreational topics, like sports card collecting or different kinds of hairstyles. lettuce is a vegetable.