Math

StatisticsQ&A LibraryRocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park.† Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions. (Round your answers to four decimal places.) (a)What is the probability that at least 65 visitors had a recorded entry through the Beaver Meadows park entrance? (b)What is the probability that at least 60 but less than 70 visitors had a recorded entry through the Beaver Meadows park entrance? (c)What is the probability that fewer than 11 visitors had a recorded entry through the Grand Lake park entrance? (d)What is the probability that more than 50 visitors have no recorded point of entry?Question

Rocky Mountain National Park is a popular park for outdoor recreation activities in Colorado. According to U.S. National Park Service statistics, 46.7% of visitors to Rocky Mountain National Park in 2018 entered through the Beaver Meadows park entrance, 24.3% of visitors entered through the Fall River park entrance, 6.3% of visitors entered through the Grand Lake park entrance, and 22.7% of visitors had no recorded point of entry to the park.† Consider a random sample of 175 Rocky Mountain National Park visitors. Use the normal approximation of the binomial distribution to answer the following questions. (Round your answers to four decimal places.)

(a)What is the probability that at least 65 visitors had a recorded entry through the Beaver Meadows park entrance?

(b)What is the probability that at least 60 but less than 70 visitors had a recorded entry through the Beaver Meadows park entrance?

(c)What is the probability that fewer than 11 visitors had a recorded entry through the Grand Lake park entrance?

(d)What is the probability that more than 50 visitors have no recorded point of entry?

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: How hot is the air in the top (crown) of a hot air balloon? Information from Ballooning: The Complet...

A: a)Given:

Q: Please see the picture. I asked this question before and it was answered but it was completely blank...

A: Note:Hey there! Sorry for the inconvenience. There must have been a technical issue. Hope you find t...

Q: Suppose that you are buying a car for $50,000, including taxes and license fees. You saved $10,000 f...

A: 13. a) The monthly payment for incentive A is $698 and it is obtained below: From the given informat...

Q: Consider a binominal experiment with 2 trials, and p=0.4 d. Find the probability of at least one suc...

A: In this context, X has a Binomial distribution with parameters n = 2 and p = 0.4. Since X is a discr...

Q: What is tα/2,df for a 95% confidence interval of the population mean based on a sample of 15 observa...

A: Solution: We have to find the t-critical value (tα/2) at the given significance level 1- 0.95=0.05 b...

Q: Please show TI 84 steps

A: From the given information, the alternative hypothesis is µ<6. That is, the given test is left ta...

Q: An apple a day: Following are the numbers of grams of sugar per 100 grams of apple in a random sampl...

A: Sample mean and standard deviation:Descriptive statistics:Step-by-step procedure to obtain the descr...

Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 241 accurate orders ...

A: It is given that Restaurant had 241 accurate orders and 71 are not accurate orders. The total number...

Q: A recent survey revealed that an American's Christmas spending averaged $830. Use this as the popula...

A: From the given information, let us define the random variable X as the amount of spending follows no...