researcher is selecting lab rats for her experiment.  She assigns each rat a number and picks numbers out of a hat while blindfolded.  The pool of rats from which she is drawing participants is composed of the following: 23 male albino rats 21 male spotted rats 35 female albino rats 11 female  spotted rats If she reaches into the hat once, what is the probability of choosing a female rat or an albino rat? Give your answer as a decimal rounded to 4 decimal places.

Q: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

A: A bag has 10 pumpkin scented hand sanitizers, 6 cinnamon scented hand sanitizers, and 7 apple pie…

Q: In a large population, 67 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given: Let X be the number of people has been vaccinated.   n=5 and p=0.67 X ~ B (n=5, p=0.67)

Q: The probability of success is 0.725. You take a sample of 760.   What is the probability of…

A: The sample size is 760, and probability of success is 0.725. That is, n=760,p=0.725. Let x be the…

Q: Zion Williamson makes 65% of his freethrow attempts. Calculate the probability that he makes exactly…

A: The objective of this question is to calculate the probability that Zion Williamson makes exactly 6…

Q: In a large population, 70% of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: Of 1400 students at Brown High School, 800 attended the first school dance of the year. Only 500…

A:

Q: The probability of having a child that is left handed is10%. If three children are randomlyselected,…

A: From the given information we want to find the probability that at least one child is left handed.

Q: Suppose the candidate pool for two appointed positions includes 10 women and 5 men. All candidates…

A: Here N= 5men+10women =15   Selecting 2 men from 5 men is 5C2 ways   Probability of selecting of 2men…

Q: You have a bag of 12 candies, 2 each of purple, green and yellow, and 3 each of pink and red.…

A: There is total 12 candies in the bag.

Q: Suppose that 54% of people have dogs. If two people are randomly chosen, what is the probability…

A: See the handwritten solution

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.