Mathematics, 22.04.2020 03:36 nauticajanke03
A researcher claims that the mean cost of raising a child from birth to age 2 by husbandÂwife families in the U. S. is $13,960. A random sample of 500 children (age 2) has a mean cost of $13,725. Assume the population standard deviation is $2345. At α = 0.10, is there enough evidence to reject the claim?
Answers: 2
Mathematics, 21.06.2019 15:40
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathanâs solution? jonathanâs answer is reasonable because there are two decimal places in the factors and two in the product. jonathanâs answer is unreasonable because there are three decimal places in the factors and two in the product. jonathanâs answer is reasonable because is 16, and 16 is close to 15.77. jonathanâs answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
Mathematics, 21.06.2019 17:00
High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?
Answers: 1
Mathematics, 21.06.2019 17:30
In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%
Answers: 2
Mathematics, 21.06.2019 19:30
Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?
Answers: 2
A researcher claims that the mean cost of raising a child from birth to age 2 by husbandÂwife famili...
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