A pet store has six puppies, nine kittens, four gerbils, and seven parakeets. If the option to choose an animal is independent from each other, then determine the following probabilities of picking the animal in question

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.

Ineed with numbers 8,9and10 answer fast i have 10 minutes