Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the probability Exactly 3 adults know twitter. Note: 5C3 means 5 combination 3 where order is not important

When three children are born: Assuming that boys and girls are equally likely, find the probability of getting three children of all the same gender P (Three children having the same gender) =  

Google hires you to find how many people buy tutoring services online. How many adults need to be surveyed for 99% CL that sample is no more than 4% n= ((Z_(a/2)) ^2 (p)(q)/ (E)^2 or n= ((Z_(a/2)) ^2 (.25)/ (E)^2 Census reveals 75% use tutoring service online p= q= Z_(a/2) =

Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the number of ways 3 adults know twitter.

State the hypotheses. A laptop manufacturer claims that the mean life of battery for a certain model of laptop is more than 12 hours.

When finding the probability that event A occurs in one trial and event B occurs in the next trial, ________the probability of event A by the probability of event B, but be sure that the probability of event B takes into account the ___________ of event A.

If the requirements for question 3 are met, then

Find 90% CI estimate of the population proportion p: p-E < p < P+E

Use the given statement to represents a claim. Write its complement and state which is H0 and Which is Ha. p

In Chapter 9, we presented methods for (1) testing a claim made about ____ population proportions and (2) constructing a confidence interval estimate of the ____________between the two population proportions