find the z scores probability  1- left area of -2.5 2- right area of 2.5

Q: (c) Determine the probability that a randomly selected multiple birth for women 15-54 years old…

A: The total number of multiple births is 7,397.

Q: Find the probability a randomly selected z-score is more than -1.31. Round your result to 4 decim.…

A: Probability that a randomly selected z score is more than -1.31  P(Z>-1.31)  The normal…

Q: Find the Z score associated with probability. (Round the answer to two decimal places).

A: Here you're asked to find Z score associated with  probability. The given probability is comes from…

Q: Find the Z score associated with a tail probability of 0.3336

A:

Q: Find the probability a randomly selected z-score is less than -1.9.  Round your result to 4 decimal…

A:

Q: Find the probability a randomly selected z-score is between -1.4 and 2.3.  Round your result to 4…

A: We have to find given probability

Q: he mean total costs for all forms of family entertainment was $12,000 per year. Suppose that o =…

A: Solution: Given information: n=36 Sample sizeμ=$12000 Population meanσ=$2000 Population standard…

Q: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform…

A: Let "X" be the diameter of ball bearings produced in a manufacturing process in millimeters.…

Q: Determine the probability P (16 or more). Round the answer to at least three decimal places.

A: Given  n=18, p=0.9  P(X≥16)=?

Q: The mean height of women in a country (ages 20 - 29) is 64.2 inches. A random sample of 50 women in…

A: In question, Given that mean height of women is64.2 and standard deviation is of 2.58. 50 women…

Q: Find the probability a randomly selected z-score is between -1 and 1.2.

A: Probability that the randomly selected Z-score is between -1 and 1.2 P(-1<z<1.2)   We know…

Q: Find the probability that 120 randomly selected adult males have a mean weight greater than 200 lbs.

A: It is given that the mean of the adult males is 182.9, the standard deviation is 40.8 and the sample…

Q: The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of 100 packages is taken,…

A: In question, Given that The bags of salt packed by a machine have μ=500 g and σ= 35 g, a sample of…

Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…

A: Given:  Consider X as a random variable that follows a normal distribution with mean 22 and…

Q: (a) What is the mean number of photons crossing a circle of radius equal to the waist radiu. of the…

A: a) Photon flux = Ph(4.74x1014)                          = 100 x 10-126.63 x 10-14 x 4.74 x 1014…

Q: The probability that fewer than 33 of 124 eligible voters voted is (Round to four decimal places as…

A:

Q: Find the probability that at least 5 heads show up when a fair coin is tossed 7 times. Round your…

A: Givenprobability of getting head =12=0.5n=7Let "x" be getting…

Q: Sketch the distribution and shade the area corresponding to the probability you want to find. Then.…

A: "Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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

A:

Q: The mean number of customers arriving at a restaurant during a 15-minute period is 8. Find the…

A: The question is about prob. dist Mean no. of customers arriving at a restaurant ( λ ) = 8

Q: Find the probability of z occurring in the indicated region: -0.59

A: Find the probability of z occurring in the indicated region,

Q: The mean number of technical failure in ABC Solutions is 10 per batch. Find the probability that in…

A:

Q: Find the probability of being dealt three aces in a row, with replacement.  Assume a standard deck…

A: Standard deck of cards have 52 cards. Out of them 4 cards are Aces.

Q: The mean and variance of defective items is 0.72 and 0.6876. Find the probability of getting 12…

A:

Q: Find the probability of selecting three different orders from Pinky Pie’s Café. Round to four…

A: From the table total number of order is, 329+33+264+54+249+31+145+13=1118 total number of order from…

Q: The probability of the event is. (Type an integer or decimal rounded to three decimal places as…

A: here define events spinner land on  Red =R green = G blue =B yellow = Y and die rolled with…

Q: Determine the probability P (1 or fewer). Round the answer to at least four decimal places.

A:

Q: The probability that eleventh person randomly interviewed in that city is the fourth one to own a…

A: p = 0.25 n = 11 r = 4

Q: The mean height of women in a country (ages 20- 29) is 63.7 inches. A random sample of 50 women in…

A: Given that,  μ=63.7,σ=2.97,n=50 The mean and standard deviation of sampling distribution of sample…

Q: Find the probability a randomly selected z-score is less than -2.1.  Round your result to 4 decimal…

A: Solution: The probability that a randomly selected z-score is less than –2.1 can be obtained by…

Q: From a box containing 4 black balls and 2 green balls. 3 balls are drawn in succession each ball…

A:

Q: the continuity correction can be used for calculating a probability about a sample mean when the…

A: A continuity correction factor is used when a continuous probability distribution used to…

Q: A manufacturing machine has a 2% defect rate. If 3 items are chosen at random, what is the…

A:

Q: The mean number of power outages in the city of Brunswick is 5 per year. Find the probability  that…

A:

Q: Determine a probability distribution for the random variable, X, the number of credit cards issued…

A: In this problem we have to find out the probability distribution of a random variable X.

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: (b) What is the probability that a random sample of 11 second grade students from the city results…

A: we have given that mu=89  ,sigma=10 n=11

Q: When manufacturing fabric, the mean number of imperfections per yard of fabric is 0.12. Find the…

A: Given information- We have given the problem of Poisson distribution. Mean no. of imperfections per…

Q: Use the Binomial Distribution to calculate the probability that Lisa was hit by 3 or fewer rotten…

A: Given:-   Binomial distribution we have to calaculate PX≤3   let  success = lisa hits the egg =p…

Q: The probability that 66 or fewer people in the sample are satisfied is which is not unusual because…

A: Sample proportion = 66/100 = 0.66Population proportion = 0.72n = 100

Q: selected, what is he probability that the average sugar content is less than 37 grams?

A: Here distribution with Mean = 39 Standard deviation = 15 Now sample of 40 bottles are taken from…

Q: Find the probability of z occurring in the shaded region between the z-scores of -2.25 and 0.

A:

Q: (d) Determine the probability that a randomly selected multiple birth for women 15-54 years old…

A: The total number of multiple births is 7,397.

Q: find the probability that a point chosen randomly inside the figure is in the shaded region. Give…

A:

Q: find out probabilityof z score  between -2.23 and 2.25

A: Required probability is P(-2.23<Z<2.25)

Q: Find the probability that the average the recent price of a movie ticket of a random sample of 56…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: The mean number of customers arriving at a bank during a 15-minute period is 10. Find the…

A: Given info: The mean number of customers arriving at a bank during a 15-minute period is 10.

Q: Find the probability rat a sevected braking Cndamly SeIECted brakeing distance is less than 49…

A: Let X be a random variable that represents a braking distance which follows normal distribution with…

Q: Find the probability of selecting two jacks in a row without replacement. answer as a decimal…

A: A deck has 52 cards in total. There are 4 jacks in each suit.

Q: Determine the probability of seeing a Z score of 2.699 or one with a larger absolute value.

A: Z =2.699 P( Z > 2.699) = 1 – P(Z < 2.699) = 1 – 0.996523 = 0.003477 P(Z < 2.699) = 0.003477…

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.