A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded to the nearest foot. Height of rock formation, feet 3–9 10–29 30–49 50–74 75 and higher Number of rock formations in park 118 99 36 39 17 For a rock formation chosen at random from this park, use the preceding information to estimate the probability that the height of the rock formation is as follows. (Round your answers to two decimal places.) (A) 75 feet or taller?

Q: The miles per gallon rating for 30 cars are shown below (lowest to highest). 19, 19, 19, 20, 21, 21,…

A: The miles per gallon rating for 30 cars is given as: 19, 19, 19, 20, 21, 21, 25, 25, 25, 26, 26, 28,…

Q: What is the range of the following: 15, 67, 60, 27, 19, 10

A: Given data,   15, 67, 60, 27, 19, 10   The objective is to find the range for the given data.

Q: In a recent survey, 8 college graduates were each asked for the number of hours they work each week.…

A:

Q: Make a histogram of the data for the dads. Choose correct histogram below.

A: From the given data frequency of Sons height is more around 72,73 and the next highest frequency at…

Q: find out he 78th percntile for given data  45,78,85,89,3,5,69,63,78

A:

Q: A garden plot contains 3 zinnias, 7 gladiolas, 16 marigolds, 20 hollyhocks, and 23 lilies. 7. Use…

A: Relative frequency (R.F)= frequency / total frequency In terms of percentage: P =  R. F × 100

Q: Will connecting the dots in a scatter chart produced a line chart? Why or why not?

A: We are asked to answer "Will connecting the dots in a scatter chart produce a line chart? Why or why…

Q: Find the range for the given data, 34,56,78,26,13,48,46,54,85,44

A: Answer: Given data is, 34,56,78,26,13,48,46,54,85,44 Sample size (n) = 10

Q: Each of three friends flips a coin 36 times. Angel records “tails” 20 times. Michael records “tails”…

A: Given Data: Name Number of tails Number of trials Angel 20 36 Michael 17 36 Fernanda 23 36

Q: A data set has five values. The smallest value is 13. The median is 18. The mode is 27. What is the…

A: Solution

Q: A website that reviews recent movies lists 6 ​five-star films​ (the highest​ rating), 17 ​four-star…

A: Given information: A website that reviews recent movies lists ​five-star films, ​four-star films,…

Q: 1. Open the storms data set in the dpłyr package. Study the different columns in the data set. 2.…

A: Given Information: In the given study, we are going to use the functionality of the package "dplyr".

Q: Freshman and Juniors were surveyed on their favorite pet being cats, dogs, or bird. Fill the…

A: The given frequency table is, The value of BOX A is, BOX A = 6+7             =13

Q: The table to the right shows the six tallest mountains in a country and their elevations. Use this…

A: Given table shows the data of elevation or heights of several mountains in a country.

Q: Researchers conducted a study on brain size as measured by pixels in a magnetic resonance imagery…

A:

Q: The mean of 3 numbers is 20. If one more number is included, the mean becomes 25. Find the included…

A: Given, mean of 3 numbers = 20

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.