Highway speeds of 60 40 65 70 80 90 85 construct a 99 CI, if the speed limit is 65 mph, df =n-1
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The procedure for using a normal distribution to approximate…
The procedure for using a normal distribution to approximate a _____ distribution includes a _________ correction
When do you choose z distribution?
When do you choose z distribution?
Pew Research revealed 92% of adults know twitter. 5 adults w…
Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the probability the first three consecutive adults know twitter.
Pew Research revealed 92% of adults know twitter. 5 adults w…
Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the probability the first three consecutive adults know twitter.
A sample of size n= 18 is a simple random sample selected fr…
A sample of size n= 18 is a simple random sample selected from normal distribution population. Find the Critical Value t_(a/2) corresponding to 99% CL. Use the t table.
You select a card from a standard deck of 52 playing cards….
You select a card from a standard deck of 52 playing cards. Find the probability that the card is 4 or an ace. Keep in mind that there are 4 fours and 4 ace’s in a deck of 52 cards. P( 4 or Ace) =
When do you choose z distribution?
When do you choose z distribution?
When three children are born: Assuming that boys and girls a…
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) =
The basic multiplication rule is used for finding P(A and B)…
The basic multiplication rule is used for finding P(A and B), the probability that event A occurs in a first trial and event B occurs in a second trial. If the outcome of the first event A somehow affects the probability of the second event B, it is important to ___________the probability of B to reflect the ____________ of event A.