En un corral hay ovejas y gallos todos juntos. Si cuentan las cabezas, hay 23
y si cuentas las patas hay 62. cuantos gallos y cuántas ovejas hay?​

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.