Suppose that 45% of all voters prefer Candidate A. If 9 people are chosen at random for a poll, what is the probability that at least 5 of them favor Candidate A? Probability = (Please show your answer to 4 decimal places)

Q: Suppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: Given that,Number of red marbles = 8Number of blue marbles = 22Total marbles = 30

Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: Assume that when adults with smartphones are randomly​ selected, 60% use them in meetings or…

A:

Q: Suppose a jar contains 14 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Given, no of red marbles=14 no of blue marbles=20 Total marbles=34 P(both are red.)=?

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

Q: Suppose a jar contains 18 red marbles and 21 blue marbles. If you reach in the jar and pull out 2…

A: Given,no.of red marbles=18no.of blue marbles=21Total no.of marbles=39

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

A:

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given thatThe proportion of eligible voters in the next election who will vote for the incumbent is…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: Given: p=36%=0.36 n=8 According to binomial probability: PX=x=Cxnpx1-pn-x

Q: A poll is given, showing 65% are in favor of a new building project. If 9 people are chosen at…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 49% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

Q: Based on the graph above, which statement best describes the graph? Answer O The two distributions…

A: The graph of two normal distribution plotted on the same x-axis.

Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…

A:

Q: Suppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: The objective of this question is to find the probability of drawing two red marbles from a jar…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: It is given that the random variable X i.e, smartphones in meetings or classes follows Binomial…

Q: Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A: Given Information: Probability of success, p = 44% = 0.44 Number of trials, n = 7 To find the…

Q: Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Given problem Given that   Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach…

Q: at exactly 2 of them use their smartphones in meetings or classes.

A: Given that  39% of adults using smartphones in meetings or classes. P= 0.39 Random sample size (n) =…

Q: If the mean of the following probability distribution is 3.44, what is the variance? 3 4 P(X=x) 0.23…

A: We have to find the variance of the probability distribution.

Q: Suppose a jar contains 15 red marbles and 27 blue marbles. If you reach in the jar and pull out 2…

A: 15 red marbles27 blue marblesThe total number of marbles in the jar is 15 + 27 = 42

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Introduction: Denote X as the random variable representing the number of adult smartphone users who…

Q: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A: Here, theoretically, if we consider using of smartphones during meetings or classes, when selected…

Q: Assume that when adults with smartphones are randomly selected, 35% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 39%use them in meetings or classes.…

A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…

Q: Suppose one card is drawn randomly from a deck of 52 cards. What is the probability of getting a…

A: Answer: From the given data, Total number of cards in a deck = 52 If one card is drawn randomly,

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: ssume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: given data, p(use smartphones in meeting or classes)=p=0.45q=1-p=1-0.45=0.55n=8x= no. of smartphone…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, n = 410 and p = 0.527.

Q: Two dice are thrown 48 times. Determine the probability that 10 points are rolled more than 2

A:

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: given data, p=use smart phone in meetings or classes.p=0.57q=1-p=1-0.57=0.43n=5x= no . of   smart…

Q: Suppose that a family has 7 children.​ Also, suppose that the probability of having a girl is 1/2.…

A: From the given information,Number of children, n=7And probability of girl, P=1/2=0.5.Here, we can…

Q: If two dice are rolled, find the probability that neither die shows a 5 on it. Probability

A:

Q: Find the probability of getting three or more cars that fail among six cars tested

A: Solution: To find: The probability of getting three or more cars that fail among six cars tested.?

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.