A PIC microcontroller is executing a program that contains 250 instructions, while an AVR microcontroller is executing another program that consists of 750 instructions. Assuming that the PIC is operating at a frequency that is two times faster than the one driving the AVR, which microcontroller will finish executing its program first?
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Q: The VIP cafeteria door on the Death Star promptly opens at 11:00 am and closes at 1:00 pm (Standard…
A: The probability shows how likely an event occurs.
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- An air traffic controller is monitoring two small planes flying at the same altitude. One isflying towards the control tower from the West at 120 miles per hour and is currently 5 milesaway from the tower. The other plane is now on top of the tower and flying South at 150miles per hour. In order to respect local safety rules the planes have to be always more than4 miles from each other, or fly at different altitudes. Should the controller order one of theplanes to change altitude, or will they always be farther than 4 miles from each other?A teacher sees students straggling into her class at highly diverse times. She secretly records when each person comes into her class. Everyone in the class at the bell gets a score of zero. Then, as each late person comes in, the number of seconds after the bell that the person arrives is recorded. Number of seconds late, then, is each person's individual score. The scores ranged from 0 to 600 (for people who were 10 minutes late). The teacher also has each person's exam average over the semester. She wants some estimate of the degree of relationship between a person's lateness and his or her exam scores in her class. Which statistic should she use? a. Z-test b. One Sample t-test c. Independent groups t-test d. Dependent groups t-test e. One Factor ANOVA f. Two factor ANOVA g. t-test for r > 0 h. Chi-square test i. Phi Coefficient j. Cramer’s Phi k. Point Biserial r L. Eta-squared m. r-squared or rAn average of 20 cars per hour arrive at the drive-inwindow of a fast-food restaurant. If each car’s service timeis 2 minutes, how many cars (on the average) will be waitingin line? Assume exponential interarrival times.
- Please answer the ff:A college bookstore must order books two months before each semester starts. They believe that the number of books that will ultimately be sold for any particular course is related to the number of students registered for the course when the books are ordered. They would like to develop a bestfitting line to predict how many books to order. From past records, the bookstore obtains the number of students registered, X, and the number of books actually sold for a course, Y , for 12 different semesters.A scatterplot of the data along with the best fitting line is presented below. a. The correlation between the two variables is r = .89. Calculate and interpret the value of r2.b. The equation for the best fitting line is Y = 9.30 + 0.673X. Explain and interpret the value of 9.30.c. How many books should the store order for a class of 50 students? Would you trust this prediction?A psychologist would like to examine how the rate of presentation affects people’s ability to memorize a list of words. A list of 20 words is prepared. For one group of participants the list is presented at the rate of one word every 1/2 second. The next group gets one word every second. The third group has one word every 2 seconds, and the fourth group has one word every 3 seconds. After the list is presented, the psychologist asks each person to recall the entire list. The dependent variable is the number of errors in recall. The data from this experiment are as follows: 1/2 Second 1 Second 2 Seconds 3 Seconds 4 0 3 0 6 2 1 2 2 2 2 1 4 0 2…
- If typical adult female has a pulse rate that is 6% higher than that of a typical adult male, then the typical adult female's pulse rate is of the typical adult male's plus rate.It has been noted that the amount of time people spend shopping in supermarkets has decreased due to the global pandemic. Based on this realization, the manager of Power Supermarket decided to collect data for the length of time people spend in his supermarket during a one week period. He is aiming to use the data to help him decide if the supermarket should be converted to a virtual supermarket/a delivery based one. Before the pandemic Time Frequency 1-5 50 6-10 25 11-15 22 16-20 80 20-25 60 25-30 45 30-35 35 After the pandemic Time Frequency 1-5 30 6-10 65 11-15 45 16-20 50 20-25 35 25-30 40 20-35 35 Use the information above to construct two frequency polygons. Do you think that Power Supermarket should close their doors? Explain your answer. *Assume that a person who spends more time in a supermarket buys a lot of goods and a person who spends a short time in a supermarket,…Zordon is a new competitor in the production of power rangers, and has to train its employees in theprocess of making power morphers. To increase the speed of learning, Zordon will give a bonus to theemployee with the lowest cumulative average time per unit after eight units are completed. Jason took 50hours to complete the first unit, and is subject to an 80% learning curve. Rocky took 60 hours to completethe first unit, and is subject to a 70% learning curve. Tommy took 40 hours to complete the first unit, andis subject to a 90% learning curve. Andross took 55 hours to complete the first unit, and is subject to a75% learning curve. Which employee will receive the bonus?
- Ecuador has a consistent temperature year-round, steady in the mid-70's. A climate scientist preparing a talk about climate change compiled a list of weekly low temperatures (in degrees Fahrenheit) at the weather station of Universidad Técnica Particular de Loja, last year. The coldest temperature for any week was 48°F but he mistakenly recorded the Celsius value 9°. Assuming that he correctly listed all the other temperatures, explain how this error will affect these summary statistics: i) measures of center: mean and median. ii) measures of spread: range, IQR, and standard deviation. The Cornell Lab of Ornithology holds an annual Christmas Bird Count, in which bird watchers at various locations around the country see how many different species of birds they can spot. Here are the number of species counted from the 20 sites with the most species in 2013: 184, 98, 101, 126, 150, 166, 82, 136, 124, 118, 133, 83, 86, 101, 105, 97, 88, 131, 128, 106 Without technology, find the following…In his doctoral thesis, L. A. Beckel (University of Minnesota, 1982) studied the social behavior of river otters during the mating season. An important role in the bonding process of river otters is very short periods of social grooming. After extensive observations, Dr. Beckel found that one group of river otters under study had a frequency of initiating grooming of approximately 1.7 for each 10 minutes. Suppose that you are observing river otters for 40 minutes. Let r = 0, 1, 2, ... be a random variable that represents the number of times (in a 40-minute interval) one otter initiates social grooming of another. Lambda = 6.8 (b) Find the probabilities that in your 40 minutes of observation, one otter will initiate social grooming four times, five times, and six times. (Round your answers to four decimal places.) P(4) = P(5) = P(6) =Dr. Nicholas Guegen uses observational methods to study how certain kinds of environmental stimuli influence human behavior. In one study, he manipulated the volume of music played in bars to see how it would impact patrons' drinking behaviors. Trained observers recorded the minutes to finish a drink by several patrons in two establishments. The sound level was manipulated in both establishments, and all observations occurred over three Saturday nights. Dr. Guegen used two sound levels in his study: a normal sound level of 72 dB, which is similar to traffic noise on a busy street, and a louder high-volume level of 88 dB, which is similar to noise from a lawn mower. You decide to replicate this study. The null hypothesis is that there is no difference between the mean minutes to finish a drink among patrons experiencing the high-volume noise level of 88 dB and the mean minutes to finish a drink among those experiencing the normal noise level of 72 dB. The alternative hypothesis is that…