A website reports that 70% of its users are from outside a certain country, and 60% of its users logon the website every day. Suppose that for its users from inside the country, that 80% of them login every day. What is the probability that a person is from the country given that he logs on the website every day? Has the probability that he is from the country increased or decreased with the additional information

Q: It is known that a certain basketball player will successfully make a free throw 90.71% of the time.…

A: From the given information,P = 90.71%= 0.9071So, q = 1- P = 1-0.9071 = 0.0929n = 11we have to find…

Q: Suppose that the probability that there is another pandemic in the next year is 10%. And suppose…

A: Probability is a branch of mathematics or statistics which basically deals with the probability of…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Sample size, n = 12 Probability(grow) = 95% = 0.95

Q: According to some estimates, approximately 34.3% of the American population has A+ blood.  Suppose…

A: From the provided information, 34.3% of the American population has A+ blood that is p = 0.343…

Q: A survey shows that about 65% of all respondents chose to have dogs over cats. Suppose that 15…

A:

Q: Data compiled by Berks County on the number of convicted shoplifters in 2019 revealed that 62% were…

A: Let M and F be the event represent that number of convicted shoplifter are male amd female with…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant.If 12 seeds are planted,…

A: The objective of this question is to find the probability that exactly 2 out of 12 seeds do not grow…

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The random variable X is the number of seeds that don't grow The probability of the seed growing is…

Q: A recent poll of 300 executives' exercise habits revealed that 95 run and 127 bike.  49 reported…

A: P(A or B) = P(A) + P(B) - P(A and B)  Probability = favorable/total

Q: , it has a 70% chance of growing into a healthy plant. If 11 seeds are planted, what is the…

A: Given: Probbaility (Grow)= 70% = 0.70 Probaility (Dont grow)  = 1-0.70 =0.30 n = 11

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 6 seeds are planted,…

A: From the provided information, If a seed is planted, it has a 75% chance of growing into a healthy…

Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…

A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…

Q: According to some estimates, approximately 34.3% of the American population has A+ blood.  Suppose…

A: We have to find given probabaility.

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: f a seed is planted, it has a 75% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Probability of growing  into a healthy plant when a seed is planted=0.75Sample size(n)=12

Q: If 11 seeds are planted, what is the probability that exactly 4 don't grow?

A:

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

Q: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.988…

A:

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 10 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: A certain type of rocket has 5 ignitors which act independently of the others. Each ignitor has a 5%…

A: Let X denotes the number of ignitor fails which follows binomial distribution with sample size 5 and…

Q: In a particular care facility, 8% of adults over 65 have Alzheimer’s. If a physician at this care…

A: Let us denote A= the event that a patient has Alzheimer’s  C= diagnosed positive Given that…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 8 seeds are planted,…

A: We have given that  Number of trials n=8 Success of probability p =0.40 Failure of probability q=…

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: We are given,Research has shown that approximately 1 woman in 700 carries a mutation of a particular…

Q: Suppose a free throw shooter makes 67 percent of their first attempts.  On the second attempt they…

A:

Q: If a seed is planted, it has an 80% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given,n=12q=0.80p=1-qp=1-0.80=0.20Let X=no.of doesn't growX~Binomial (n=12   ,  p=0.20)P(X=x)=12x…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.