subject
SAT, 17.12.2020 06:30 bloodgif8921

A fair coin is tossed 20 times and the number of heads is counted. Complete parts (a) throu a. Use the binomial distribution to find the probability of getting 3 heads.
The probability of getting 3 heads is
(Round to four decimal places as needed.)
b. Use the binomial distribution to find the probability of getting at least 3 heads.
The probability of getting at least 3 heads is
(Round to four decimal places as needed.)
c. Use the binomial distribution to find the probabi
of getting 3 through 5 heads.
The probability of getting 3 through 5 heads is
(Round to four decimal places as needed.)
d. Use the normal approximation to the binomial distribution to approximate the probabilities in
Use the normal distribution to approximate the probability of getting 3 heads.
The approximate probability of getting 3 heads is
(Round to four decimal places as needed.)
Use the normal distribution to approximate the probability of getting at least 3 heads
The approximate probability of getting at least 3 heads is 17
Enter your answer in each of the answer boxes

ansver
Answers: 2

Another question on SAT

question
SAT, 23.06.2019 21:30
Late at night some traffic signals change patterns and become ?
Answers: 1
question
SAT, 25.06.2019 22:00
Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.
Answers: 1
question
SAT, 26.06.2019 05:00
This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.
Answers: 1
question
SAT, 26.06.2019 05:30
Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.
Answers: 1
You know the right answer?
A fair coin is tossed 20 times and the number of heads is counted. Complete parts (a) throu a. Use...
Questions