What is the probability of getting a value less than z = 1.68?

Q: Find P(X<2), that is, find the probability of obtaining less than 2 heads.

A: Find we have to find probability for each required case.

Q: The distribution of birth weights (in g) for babies is approximately ?(2750, 560). What is the…

A: We have given that,  If babies birth weights follows normal distribution, with mean( Mu) =2750 and…

Q: Calculate and interpret the 95% confidence interval in each situation below: (a) The average years…

A:

Q: Suppose you're testing your employees for drug use. You decide to run a test which is 99% sensitive…

A: Given that: Sensitivity (true positive rate) = 99% Specificity (true negative rate) = 95% Percentage…

Q: The probability of winning on an arcade game is 0.664. If you play the arcade game 22 times, what is…

A: Given  P=0.664 n=22 Find P(X≤9)=?

Q: ssuming that P(green) = 0.75, what is the probability that among his 580 plants

A: Let, Xi be a random variable. Xi = 1,     if ith pea is green0,       otherwise So, Xi = 1,   with…

Q: Suppose the probability of having a boy or a girl is equally likely.  In 6 births, what is the…

A:

Q: The probability that a patient recovers from a certain type of operation is 0.79. What is the…

A:

Q: The probability of winning on an arcade game is 0.606. If you play the arcade game 20 times, what is…

A: Let P denote the  probability of winning on an arcade game = 0.606.  Let n denote the number of…

Q: The probability that a part produced by a certain factory's assembly line will be defective is…

A: Sample size(n)=49 p=0.023 here p value is very small (p&lt;0.05) and n value is large (n&gt;20) than…

Q: life insurance salesman sells on the average 3 life insurance policies per week. Use Poisson's law…

A: Given that  X~Poisson(λ=3) Probability mass function of X  P(X=x)=λxe-λ/x!   , x=0,1,2,____

Q: hat is the probability that the selected applicant passes to academic requirements or to work…

A: Given:     Work Experience standards      yes  No  Total Academic Achievement Standards  yes…

Q: Let X be the number of times '4' is rolled out of a total of 8 rolls.  What is the probability that…

A:

Q: What is the probability of a z-score less than -0.02?

A: It is given that z-score is less than –0.02.

Q: If the probability of catching an animal in a trap is 0.1 , then what is the probability that, out…

A: Given that, The probability of catching an animal in a trap is 0.1 Sample size = 5

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.24%. A random sample of 33 of…

A: Solution-: Given: n=33,μ=2.24,σ=1.33 We find,  P(the mean childhood asthma prevalence for the sample…

Q: What is the probability of scoring above a z-score of -1.11?

A: Z has follows standard normal distribution with mean zero and standard deviation one.

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

A: Here is the experiment of rolling a 3 die. Minimum sum=3 =(1,1,1) Maximum sum=18=(6,6,6) A total…

Q: What is the probability that Y is equal to 5, P(Y=5)? Round to the nearest 2nd decimal place, 0.xx

A: It is defined that the probability that an individual person clicks on the online ad is 0.22 (or…

Q: o more than 14 times? (Round your answer to 3 decimal places, if necessary.)

A:

Q: hat is the value of t* if n = 20 and the probability is 0.95 to the left?

A: According to the central limit theorem, the sampling distribution of the sample scores follows the…

Q: A biased coin has a 0.27 chance of coming up heads when flipped. Let X be the number of heads when…

A: Given that, Success probability, p= 0.27 We flip a coin 5 times so n=5 P.d.f. of binomial…

Q: The probability of winning on an arcade game is 0.650. If you play the arcade game 22 times, what is…

A: From the provided information, Probability of winning on an arcade game is 0.650 that is (p) = 0.5…

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: The probability that a patient recovers from a certain type of operation is 0.78. What is the…

A:

Q: The probability that a patient recovers from a certain type of operation is 0.71. What is the…

A: Given, The probability that a patient recovers from a certain type of operation is p= 0.71 The…

Q: The average waiting time for a calling customer by the call center of a bank's telephone banking is…

A:

Q: 5. what is an A probability function using two coefficients, a and b, whose sum equals 1 and whose…

A: The probability function is defined as the function of the observed values of a random variable…

Q: What is the probability of scoring above a z-score of -2.00?

A: X~N( μ , ?)μ=0     , ?=1Z-score =( x - μ )/?

Q: Assume a researcher wants to know the probability of an individual's systolic blood pressure would…

A: Given,Z-score for 130 is 1.4

Q: A biased coin has a 0.39 chance of coming up heads when flipped. Let X be the number of heads when…

A: As each trial has two options (i.e getting a head or tail) with a defined probability of head (i.e…

Q: 10. Find the probability, P(A or B), if P(A) = 0.45, P(B) = 0.38, and P(A and B) = 0.05. (Express…

A:

Q: Assume a researcher wanted to know the probability that an individuals' systolic blood pressure…

A: GivenAssume a researcher wanted to know the probability that an individuals' systolic blood pressure…

Q: Assuming that P(green) = 0.75, what is the probability that among his 580 plants that the number of…

A: Given that , P(green) = 0.75  Total number of plants = 580  Let, X be the number of pees with green…

Q: A biased coin has a 0.31 chance of coming up heads when flipped. Let X be the number of heads when…

A: The given information is that the chance of getting a head in biased coin is 0.31.

Q: A Statistics student was asked to solve the problem below. See the student’s attempt at the question…

A: The Poisson distribution: A discrete random variable X is said to have a Poisson distribution with…

Q: Suppose the probability of an accident at an intersection is 0.6. What is the probability out of 10…

A:

Q: What is the probability distribution if X∼B(3,0.82)?

A: Given : X∼B(3,0.82)

Q: Login of Open the normal table (opens in a new window) and use it to answer the following questions.…

A:

Q: If the probability of a student graduating is 0.95, find the probability that more than 472 students…

A: Considering given student has the only options of "graduating" (i.e., success) or "not graduating"…

Q: The probability of winning on an arcade game is 0.632. If you play the arcade game 27 times, what is…

A: Let X be the random variable representing the number of times, the game has been won out of 27…

Q: What is the probability that X equal 2?

A: The probability of rolling a four = 1/6 = p  n = 8

Q: In the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the…

A: From the provided information, Guests who visit Yosemite National Park like to stay at an overnight…

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.