Calculate the exact probability that the mean of 3 die rolls will be >2.5 and less than or equal to 3.

Q: A high school baseball player has a 0.217 batting average. In one game, he gets 7 at bats. What is…

A: P(hit) = p = 0.217 no. of trials (n) = 7 x = no. of hits P(x≥2) = ?

Q: The average American gets a haircut every 39 days. Do college students get their hair cut less…

A: A hypothesis test is a statistical  method that uses sample data to evaluate a hypothesis  about a…

Q: Ratio of probability of 3 successes in 5 independent trials to the probability of 2 successes in 5…

A:

Q: Example 5 Find Probabilities METEOROLOGY The temperatures for one month for a city in California are…

A: Given information : given that the temperatures for one month for a city in california are normally…

Q: what is the probability of rolling two dice a sum of 5 as a percent rounded to 1 decimal place.

A: From the provided information, Two dice are rolled. Total outcome after rolling two dice = 6 × 6 =…

Q: In a given venture, one can make a profit of PHP 300 or a loss of PHP 100. If the probability of…

A: Let X be the random variable that represents the person's gain in a year in PHP. Here, the…

Q: r. If the 17. A walk at 4 miles per hour burns an average of 300 calories standard deviation of the…

A: Given: μ = 300 σ = 8

Q: A mail order company has a 11% success rate. If it mails advertisements to 515 people, find the…

A: Given Information: n=515p=11%=0.11To find the probability of getting less than 53 sales.

Q: A die is continually rolled until the total sum of all rolls exceeds 300. Approximate the…

A: Given,Mean = sum x*P(x)= 1/6 (1 + 2 + 3 + 4 + 5 + 6)= 21/6= 3.5Standard deviation =…

Q: On the average, a certain computer part lasts ten years. The length of time the computer part lasts…

A: The random variable which has a value in the form of the interval is called as a continuous random…

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A: Given Let the price of the plot be X X~N2700,7802Sample size, n=121

Q: When 2 dice are rolled, find the probability of getting a greater number on the first die than the…

A: When 2 dice are rolled. then sample space(S) is;…

Q: Suppose you are reviewing your cell phone bill on Friday and you notice you go over your data limit…

A:

Q: Suppose you receive a bouquet of flowers that contains 7 red roses, 12 white daisies, 2 yellow…

A: The first step in solving this problem is to determine the total number of flowers in the bouquet.…

Q: Suppose that the time to failure in days of fans in a personal computer can be modeled by an…

A:

Q: 3. The probability that a new bon baby survives for "x" years is written as

A: Probability ( that new born survive for x years) is given below

Q: Louis is paid Php 20.00 whenever the results of tossing two coins are both heads but pays Php 10.00…

A: When a coin is tossed then there are 2 possible outcomes: Head and tail. Let us denote H=head T=tail…

Q: (Question from the class forum) A grocery store has 3 red apples, 2 green mangos, 6 green apples, 3…

A: 3 - red apples 2 - green mangos 6 - green apples 3 - red mangos ____________________ 14 total fruits…

Q: What is the probability that a card drawn randomly from a standard deck of 52 cards is an ace?…

A: Obtain the probability that a card drawn randomly from a standard deck of 52 cards is an ace   The…

Q: Use 4 digit On average 1.2 customers per minute arrive at an airline desk during the peak period.…

A:

Q: The mean of binomial probability distribution is 857.6 and the probability of success is 64%, then…

A: Given data,μ=857.6σ=64%=0.64n=?

Q: What is the probability that the sample mean tax is between 7600 8000

A:

Q: The average price for an acre of land in Texas is  N(2700, 7802)  in dollars. Jaime will survey 121…

A:

Q: A box contains 20 blue balls, m yellow balls and n green balls and the probability of selecting a…

A:

Q: 3. The probability that a new born baby dies with in "x" years is written as ..

A: The probability that an individual aged x survive to n years is denoted as pxn

Q: ow that a random individual will fall between 107 and 103 .if the mean IQ is 100 the standard…

A: Consider a random variable X which represents IQ of the individual.    X follows normal distribution…

Q: An hour glass takes an average of 60 seconds to in thi of full cycle what probability of time does…

A: Given that mean= 1 hour= 60 minutes  standard deviation = 5 minutes Let, X= time to empty a full…

Q: the probability of rolling “5” after 6 rolls is 1/6, what is the complement of the  probability of…

A: Given that  The probability of rolling “5” after 6 rolls=P(A)=1/6

Q: A fair coin is tossed 10 times by Wafa. The probability of not getting all heads is O a. 1/2 O b. 1/…

A: Given , Fair coin is tossed by 10 times. P ( not getting all heads ) = ?

Q: In a certain industrial facility, accidents occur infrequently. It is known that the probability of…

A:

Q: 2.Sonic Technology sells a mobile phone at an average rate of 1 per day. Estimate the probability…

A: It is given that Sonic Technology sells a mobile phone at an average rate of 1 per day.

Q: certain disease has an incidence rate of 0.4%. If the false negative rate is 6% and the false…

A: In this question, concept of conditional Probability is applied. Conditional Probability The…

Q: What is the probability the pedestrian was not intoxicated

A: Given data The table summarizes results from 990 pedestrian deaths   Driver  intoxicated?…

Q: Approximate the probability (4 decimal places) of less than 9900 hits in a day.

A: Hiven ,Hits follow poisson distributionmean (μ) = λ = 10000 per daystandard deviation σ = λ = 10000…

Q: What is the probability that a card drawn randomly from a standard deck of 5252 cards is an ace?…

A: Obtain the probability that a card drawn randomly from a standard deck of 52 cards is an ace   The…

Q: A mail-order company receives an average of 5 orders per minute. 1. Calculate the probability that…

A:

Q: The average time spent of a professional basketball player in training on daily basis is 8.2 hours.…

A:

Q: Find the probability that the total number of breakdowns that occur in a particular 4-week period is…

A: HereThe number of breakdowns of a factory machine in a week may be modelled by aPoisson distribution…

Q: b) A standard die is rolled. Find the probability that the number rolled is less than 3. Express…

A: When a standard die is rolled, there are 6 possible outcomes with equal chance of occurrence.

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.