1. Find -t0.15 when v = 10

Q: shows the percer ans people are donating blood, what is pected number of people with type od? Why…

A:

Q: 3. A surgical technique is performed on ten patients. You are told there is an 83% chance of…

A: Givenn=10p=0.83

Q: E[X]=μX=E[X]=μX= dollars. (Round the answer to 1 decimal place.)  SD[X]=σX=SD[X]=σX= dollars. (Round…

A: Simply multiply each value of the discrete random variable by the probability associated with  that…

Q: Recently, a nurse commented that when a patient calls the medical advice line claiming to have the…

A: Givensample size(n)=25p=4%=0.04

Q: The length of a pregnancy is normally distributed with a mean of 268 days and a standard dev of…

A:

Q: Suppose that we know that 33.8% of the people born in the United States between 1936 and 1951 have…

A: The given situation follows binomial distribution. The proportion of people born in United States…

Q: .The probability of getting a passing grade for an exam is 0.4. What is the probability of getting…

A: Let the event that a student gets a passing grade be defined as the success for the above…

Q: Probability. The probability of a specific outcome of a random phenomenon is a. the number of times…

A: The probability of any outcome of a random phenomenon can be defined as the proportion of times the…

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 random adults, what is the…

A: 1. From the given information the sample size is (n) = 90 A population is normally distributed is an…

Q: Suppose that the number of car accidents per day in Wilmington, NC has been recorded for the past…

A: Probability of at least two accidents = P(2accident) + P(3 accident) + P(4 accident)

Q: d. What is the probability that more than 30 seeds grow into healthy plants? e. What is the…

A: GIVEN DATA  binomial distribution P(seed will grow into healthy plants) = p = 0.55 n = 55 seeds…

Q: Q4. The data in the table below shows a distribution for the marital status of adults living in a…

A: Given:   Single Married Widowed Divorced Total Male 100 250 25 40 415 Female 70 230 42 55…

Q: A statistician wants to know whether newborn baby boys or newborn baby girls cry more. Consider the…

A: Both matched pairs t - test and 2 sample t - test are used for comparing the means of two groups.…

Q: Frequently Occasionally Not at All Males 221 456 795 Females 207 430 1378 Find the probability of…

A: Step 1 Let A be the event that individual is a female Let B be the event that individual is not…

Q: utumn has purchased the insurance policy from an insurance company to cover the value of hers house…

A: Given: Price of insurance policy= $1600 house worth=$370000 probability that fire destroys the house…

Q: Let X be the number of major storms in a particular state in a given year. The probability of having…

A: The probability of having no major storms is 0.50. The probability of having one major storm is…

Q: 3. Victoria went to the store and bought 12 pieces of chocolates. She bought 5 pieces of dark…

A: Note: As we are entitled to solve one question at a time, please submit other questions one at a…

Q: A professor knows that her statistics students' final exam scores have a mean of 79 and a standard…

A:

Q: Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution.…

A: Given that.  X ~ Uniform (12.22 , 45.34)

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given :   Restaurant     A B C D Total Order Accurate 335 260 231 141 967 Order Not…